High severity · published Jan 13, 2026
CVE-2025-68782
scsi: target: Reset t_task_cdb pointer in error case
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: Reset t_task_cdb pointer in error case
If allocation of cmd->t_task_cdb fails, it remains NULL but is later
dereferenced in the 'err' path.
In case of error, reset NULL t_task_cdb value to point at the default
fixed-size buffer.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 6cac97b12bdab04832e0416d049efcd0d48d303b; 9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 45fd86b444105c8bd07a763f58635c87e5dc7aea; 9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 8727663ded659aad55eef21e3864ebf5a4796a96; 9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 0260ad551b0815eb788d47f32899fbcd65d6f128; 9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 0d36db68fdb8a3325386fd9523b67735f944e1f3; 9e95fb805dc043cc8ed878a08d1583e4097a5f80 before 8edbb9e371af186b4cf40819dab65fafe109df4d; +2 more · source: vendor
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7; V3.1.6; V3.1.7 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7; V3.1.6; V3.1.7 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-68782
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-68782
git.kernel.org
https://git.kernel.org/stable/c/0260ad551b0815eb788d47f32899fbcd65d6f128
git.kernel.org
https://git.kernel.org/stable/c/0d36db68fdb8a3325386fd9523b67735f944e1f3
git.kernel.org
https://git.kernel.org/stable/c/45fd86b444105c8bd07a763f58635c87e5dc7aea
git.kernel.org
https://git.kernel.org/stable/c/5053eab38a4c4543522d0c320c639c56a8b59908
git.kernel.org
https://git.kernel.org/stable/c/6cac97b12bdab04832e0416d049efcd0d48d303b
git.kernel.org
https://git.kernel.org/stable/c/8727663ded659aad55eef21e3864ebf5a4796a96
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