CVE-2022-50673

highpriority · track · 0EPSS 0.002 · 11 %ileDEEURU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 7 · high

Is it mine?

40 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4_orphan_cleanup I caught a issue as follows: ================================================================== BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0 Read of size 8 at addr ffff88814b13f378 by task mount/710 CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370 Call Trace: <TASK> dump_stack_lvl+0x73/0x9f print_report+0x25d/0x759 kasan_report+0xc0/0x120 __asan_load8+0x99/0x140 __list_add_valid+0x28/0x1a0 ext4_orphan_cleanup+0x564/0x9d0 [ext4] __ext4_fill_super+0x48e2/0x5300 [ext4] ext4_fill_super+0x19f/0x3a0 [ext4] get_tree_bdev+0x27b/0x450 ext4_get_tree+0x19/0x30 [ext4] vfs_get_tree+0x49/0x150 path_mount+0xaae/0x1350 do_mount+0xe2/0x110 __x64_sys_mount+0xf0/0x190 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK> [...] ================================================================== Above issue may happen as follows: ------------------------------------- ext4_fill_super ext4_orphan_cleanup --- loop1: assume last_orphan is 12 --- list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan) ext4_truncate --> return 0 ext4_inode_attach_jinode --> return -ENOMEM iput(inode) --> free inode<12> --- loop2: last_orphan is still 12 --- list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan); // use inode<12> and trigger UAF To solve this issue, we need to propagate the return value of ext4_inode_attach_jinode() appropriately.

remediations

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

A vendor fix is available.

Fixedbpftool-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-abi-stablelists-0:4.18.0-553.104.1.el8_10.noarch as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-core-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-cross-headers-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-core-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-devel-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-modules-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-modules-extra-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-doc-0:4.18.0-553.104.1.el8_10.noarch as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-headers-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-modules-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-modules-extra-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-libs-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-libs-devel-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedperf-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedpython3-perf-0:4.18.0-553.104.1.el8_10.x86_64 as component of SUSE Liberty Linux 8suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedbpftool-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-abi-whitelists-0:3.10.0-1160.147.1.el7.noarch as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-debug-devel-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-doc-0:3.10.0-1160.147.1.el7.noarch as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-headers-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-libs-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-tools-libs-devel-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedperf-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedpython-perf-0:3.10.0-1160.147.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-devel-rt-0:5.14.21-150500.13.118.1.noarch as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:5.14.21-150500.13.118.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:5.14.21-150500.13.118.1.noarch as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:5.14.21-150400.15.142.1.x86_64 as component of SUSE Linux Enterprise Micro 5.3suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-rt-0:5.14.21-150400.15.142.1.x86_64 as component of SUSE Linux Enterprise Micro 5.4suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:5.14.21-150400.15.142.1.noarch as component of SUSE Linux Enterprise Micro 5.3suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkernel-source-rt-0:5.14.21-150400.15.142.1.noarch as component of SUSE Linux Enterprise Micro 5.4suse_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

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

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

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

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

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · SUSE Product Security

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USCWE-825US

affected products (40)

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 QRadar SIEMall versionscert_bundDEcpe:/a:ibm:qradar_siem:-
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:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Linux Linux≤ 4.10enisa_euvdEU
Linux Linuxall versionsenisa_euvdEU
Linux Linux< 4.19.270enisa_euvdEU
Linux Linux< 5.10.163enisa_euvdEU
Linux Linux< 5.15.87enisa_euvdEU
Linux Linux< 5.4.229enisa_euvdEU
Linux Linux< 6.0.18enisa_euvdEU
Linux Linux< 6.1.4enisa_euvdEU

showing 20 of 40

advisories (6)

Vendor and ecosystem advisories describing this.

RHSA-2026:2264security update for kernel2026-02-09csaf · suse_csafDE
security update for kernel
RHSA-2026:3685security update for kernel2026-03-03csaf · suse_csafDE
security update for kernel
SUSE-SU-2026:0263-1Security update for the Linux Kernel2026-01-22csaf · suse_csafDE
Security update for the Linux Kernel
SUSE-SU-2026:0411-1Security update for the Linux Kernel2026-02-09csaf · suse_csafDE
Security update for the Linux Kernel
WID-SEC-W-2025-2765Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-12-08csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2026-0783IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2026-03-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um einen Cross-Site Scripting Angriff durchzuführen, und um Dateien zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund suse_csaf NVD CVE.org MITRE

published 2025-12-09modified 2026-08-04

references (23)

External citations — patches, advisories, analysis.

scry

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