CVE-2025-39865

mediumpriority · track · 22EPSS 0.002 · 5 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (5th) EPSS

CVSS 5.5 · medium

Is it mine?

146 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in tee_shm_put tee_shm_put have NULL pointer dereference: __optee_disable_shm_cache --> shm = reg_pair_to_ptr(...);//shm maybe return NULL tee_shm_free(shm); --> tee_shm_put(shm);//crash Add check in tee_shm_put to fix it. panic log: Unable to handle kernel paging request at virtual address 0000000000100cca Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000002049d07000 [0000000000100cca] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] SMP CPU: 2 PID: 14442 Comm: systemd-sleep Tainted: P OE ------- ---- 6.6.0-39-generic #38 Source Version: 938b255f6cb8817c95b0dd5c8c2944acfce94b07 Hardware name: greatwall GW-001Y1A-FTH, BIOS Great Wall BIOS V3.0 10/26/2022 pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : tee_shm_put+0x24/0x188 lr : tee_shm_free+0x14/0x28 sp : ffff001f98f9faf0 x29: ffff001f98f9faf0 x28: ffff0020df543cc0 x27: 0000000000000000 x26: ffff001f811344a0 x25: ffff8000818dac00 x24: ffff800082d8d048 x23: ffff001f850fcd18 x22: 0000000000000001 x21: ffff001f98f9fb88 x20: ffff001f83e76218 x19: ffff001f83e761e0 x18: 000000000000ffff x17: 303a30303a303030 x16: 0000000000000000 x15: 0000000000000003 x14: 0000000000000001 x13: 0000000000000000 x12: 0101010101010101 x11: 0000000000000001 x10: 0000000000000001 x9 : ffff800080e08d0c x8 : ffff001f98f9fb88 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffff001f83e761e0 x1 : 00000000ffff001f x0 : 0000000000100cca Call trace: tee_shm_put+0x24/0x188 tee_shm_free+0x14/0x28 __optee_disable_shm_cache+0xa8/0x108 optee_shutdown+0x28/0x38 platform_shutdown+0x28/0x40 device_shutdown+0x144/0x2b0 kernel_power_off+0x3c/0x80 hibernate+0x35c/0x388 state_store+0x64/0x80 kobj_attr_store+0x14/0x28 sysfs_kf_write+0x48/0x60 kernfs_fop_write_iter+0x128/0x1c0 vfs_write+0x270/0x370 ksys_write+0x6c/0x100 __arm64_sys_write+0x20/0x30 invoke_syscall+0x4c/0x120 el0_svc_common.constprop.0+0x44/0xf0 do_el0_svc+0x24/0x38 el0_svc+0x24/0x88 el0t_64_sync_handler+0x134/0x150 el0t_64_sync+0x14c/0x15

remediations

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

A vendor fix is available.

FixedSIMATIC CN 4100siemens_psirt
Update to V5.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814144/
FixedRUGGEDCOM RST2428P (6GK6242-6PA00)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familysiemens_psirt
See Section Additional Information.
FixedSCALANCE XCH328 (6GK5328-4TS01-2EC2)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM324 (6GK5324-8TS01-2AC2)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM328 (6GK5328-4TS01-2AC2)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM332 (6GK5332-0GA01-2AC2)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3)siemens_psirt
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedRUGGEDCOM RST2428P (6GK6242-6PA00)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familycisa_csaf_ot
See Section Additional Information.
FixedSCALANCE XCH328 (6GK5328-4TS01-2EC2)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM324 (6GK5324-8TS01-2AC2)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM328 (6GK5328-4TS01-2AC2)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XCM332 (6GK5332-0GA01-2AC2)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3)cisa_csaf_ot
Update to V3.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109997626/
FixedSIMATIC CN 4100cisa_csaf_ot
Update to V5.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814144/

cvss

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

7.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.8–7

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

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

v3.14.8mediumAV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 · NCSC-NL NL

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-20USCWE-20USCWE-476USCWE-476US

affected products (146)

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 ECS 3.8.1.0-3.8.1.7all versionscert_bundDEcpe:/h:dell:ecs:3.8.1.0_-_3.8.1.7
IBM DataPower Gatewayall versionscert_bundDEcpe:/a:ibm:datapower_gateway:-
IBM QRadar SIEMall versionscert_bundDEcpe:/a:ibm:qradar_siem:-
IBM Security Verify Accessall versionscert_bundDEcpe:/a:ibm:security_verify_access:-
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:-
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:-
Red Hat Enterprise Linux 10all versionscert_bundDEcpe:/o:redhat:enterprise_linux:10
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Siemens SIMATIC S7 1500 CPUall versionscert_bundDEcpe:/h:siemens:simatic_s7:1500_cpu
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Networker≤ vProxy <19.14cert_bundDE
Dell Secure Connect Gateway≤ Appliance <5.32.00.18cert_bundDE
SIMATIC CN 4100all versionscisa_csaf_otUS
Siemens RUGGEDCOM RST2428P (6GK6242-6PA00)≤ vers:intdot/<3.3cisa_csaf_otUS
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family≤ vers:intdot/<3.3cisa_csaf_otUS

showing 20 of 146

advisories (7)

Vendor and ecosystem advisories describing this.

NCSC-2026-0147Kwetsbaarheden verholpen in Siemens-productenNL2026-05-13csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in verschillende (OT-)producten. Het gaat onder andere om producten in de Siemens RUGGEDCOM-, SCALANCE-, SIMATIC-, SIMIT-, SINAMICS-, SIPROTEC-, SENTRON- en Solid Edge-productreeksen.
SSA-032379SSA-032379: Multiple Vulnerabilities in SIMATIC CN 4100 Before V5.02026-05-12csaf · siemens_psirtDE
SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the latest version.
SSA-089022SSA-089022: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.32026-01-28csaf · siemens_psirtDE
SINEC OS before V3.3 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.
WID-SEC-W-2025-2099Linux Kernel: Mehrere SchwachstellenDeutsch2025-09-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.
WID-SEC-W-2026-0349Dell Avamar und NetWorker: Mehrere SchwachstellenDeutsch2026-02-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Avamar und Dell NetWorker ausnutzen, um Angriffe zu starten, die die Integrität, Vertraulichkeit und Verfügbarkeit von Systemen beeinträchtigen.
ICSA-26-043-06Siemens SINEC OS2026-01-28icsa · cisa_csaf_otUS
SINEC OS before V3.3 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.
ICSA-26-134-10Siemens SIMATIC2026-05-12icsa · cisa_csaf_otUS
SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the latest version.

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 cisa_csaf_ot ncsc_nl siemens_psirt NVD CVE.org MITRE

published 2025-09-19modified 2026-10-19

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references (27)

External citations — patches, advisories, analysis.

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