CVE-2023-54303

highpriority · track · 0EPSS 0.002 · 4 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.15% (4th) EPSS

CVSS 7.8 · high

Is it mine?

24 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · suse_csaf

EPSS · scored 2026-10-27

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpf_perf_event_output The nesting protection in bpf_perf_event_output relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpf_perf_event_output can be also called from uprobes context through bpf_prog_run_array_sleepable function which disables migration, but keeps preemption enabled. This can cause task to be preempted by another one inside the nesting protection and lead eventually to two tasks using same perf_sample_data buffer and cause crashes like: kernel tried to execute NX-protected page - exploit attempt? (uid: 0) BUG: unable to handle page fault for address: ffffffff82be3eea ... Call Trace: ? __die+0x1f/0x70 ? page_fault_oops+0x176/0x4d0 ? exc_page_fault+0x132/0x230 ? asm_exc_page_fault+0x22/0x30 ? perf_output_sample+0x12b/0x910 ? perf_event_output+0xd0/0x1d0 ? bpf_perf_event_output+0x162/0x1d0 ? bpf_prog_c6271286d9a4c938_krava1+0x76/0x87 ? __uprobe_perf_func+0x12b/0x540 ? uprobe_dispatcher+0x2c4/0x430 ? uprobe_notify_resume+0x2da/0xce0 ? atomic_notifier_call_chain+0x7b/0x110 ? exit_to_user_mode_prepare+0x13e/0x290 ? irqentry_exit_to_user_mode+0x5/0x30 ? asm_exc_int3+0x35/0x40 Fixing this by disabling preemption in bpf_perf_event_output.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedcluster-md-kmp-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixeddlm-kmp-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedgfs2-kmp-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-rt-0:6.4.0-150700.7.28.1.noarch as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-livepatch-6_4_0-150700_7_28-rt-0:1-150700.1.3.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-devel-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:6.4.0-150700.7.28.1.noarch as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-syms-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedocfs2-kmp-rt-0:6.4.0-150700.7.28.1.x86_64 as component of SUSE Real Time Module 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-azure-0:6.4.0-150700.20.24.1.aarch64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-azure-0:6.4.0-150700.20.24.1.x86_64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-azure-devel-0:6.4.0-150700.20.24.1.aarch64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-azure-devel-0:6.4.0-150700.20.24.1.x86_64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-azure-0:6.4.0-150700.20.24.1.noarch as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-azure-0:6.4.0-150700.20.24.1.noarch as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-syms-azure-0:6.4.0-150700.20.24.1.aarch64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-syms-azure-0:6.4.0-150700.20.24.1.x86_64 as component of SUSE Linux Enterprise Module for Public Cloud 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.aarch64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.s390x as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-base-0:6.4.0-39.1.21.16.aarch64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-base-0:6.4.0-39.1.21.16.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-livepatch-0:6.4.0-39.1.s390x as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-livepatch-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-kvmsmall-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-macros-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.ppc64le as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.s390x as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-base-0:6.4.0-39.1.21.16.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-base-0:6.4.0-39.1.21.16.ppc64le as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-base-0:6.4.0-39.1.21.16.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-devel-0:6.4.0-39.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-devel-0:6.4.0-39.1.ppc64le as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-devel-0:6.4.0-39.1.s390x as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-devel-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-livepatch-0:6.4.0-39.1.s390x as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-default-livepatch-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-kvmsmall-0:6.4.0-39.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-macros-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-0:6.4.0-39.1.noarch as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-rt-0:6.4.0-40.1.noarch as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:6.4.0-40.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-livepatch-0:6.4.0-40.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:6.4.0-40.1.noarch as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-rt-0:6.4.0-40.1.noarch as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:6.4.0-40.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:6.4.0-40.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-devel-0:6.4.0-40.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-devel-0:6.4.0-40.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-livepatch-0:6.4.0-40.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:6.4.0-40.1.noarch as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.16.6mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · SUSE Product Security

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USLLM-inferredCWE-476USLLM-inferred

affected products (24)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Avamarall versionscert_bundDEcpe:/a:dell:avamar:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
IBM DataPower Gateway 10.5.0.0-10.5.0.20all versionscert_bundDEcpe:/a:ibm:datapower_gateway:10.5.0.0_-_10.5.0.20
IBM DataPower Gateway 10.6.0.0-10.6.0.8all versionscert_bundDEcpe:/a:ibm:datapower_gateway:10.6.0.0_-_10.6.0.8
IBM FlashSystemall versionscert_bundDEcpe:/a:ibm:flashsystem:-
IBM Power Hardware Management Consoleall versionscert_bundDEcpe:/a:ibm:hardware_management_console:-
IBM SAN Volume Controllerall versionscert_bundDEcpe:/a:ibm:san_volume_controller:-
IBM Storwizeall versionscert_bundDEcpe:/a:ibm:storwize:-
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:unspecified
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Linux Linux≤ 6.0enisa_euvdEU
Linux Linuxall versionsenisa_euvdEU
Linux Linux< 6.1.45enisa_euvdEU
Linux Linux< 6.4.10enisa_euvdEU

showing 20 of 24

advisories (7)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:0278-1Security update for the Linux Kernel2026-01-23csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:0281-1Security update for the Linux Kernel2026-01-23csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:20477-1Security update for the Linux Kernel2026-02-24csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:20498-1Security update for the Linux Kernel2026-02-24csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:20845-1Security update for the Linux Kernel2026-03-24csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:20876-1Security update for the Linux Kernel2026-03-24csaf · suse_csafDE
Security update for the Linux Kernel
WID-SEC-W-2025-2941Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-12-30csaf · cert_bundDE
Ein Angreifer kann diese Schwachstellen ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu Denial‑of‑Service, Speicherbeschädigung oder weiteren nicht definierten Auswirkungen führen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund suse_csaf NVD CVE.org MITRE

published 2025-12-30modified 2026-08-04

references (11)

External citations — patches, advisories, analysis.

scry

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