CVE-2026-23306

HIGH EPSS 2.6%
Published Mar 25, 20263mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Mar 25, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free in pm8001_queue_command() Commit e29c47fe8946 ("scsi: pm8001: Simplify pm8001_task_exec()") refactors pm8001_queue_command(), however it introduces a potential cause of a double free scenario when it changes the function to return -ENODEV in case of phy down/device gone state. In this path, pm8001_queue_command() updates task status and calls task_done to indicate to upper layer that the task has been handled. However, this also frees the underlying SAS task. A -ENODEV is then returned to the caller. When libsas sas_ata_qc_issue() receives this error value, it assumes the task wasn't handled/queued by LLDD and proceeds to clean up and free the task again, resulting in a double free. Since pm8001_queue_command() handles the SAS task in this case, it should return 0 to the caller indicating that the task has been handled.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥5.18  –  <6.1.167
linuxlinux_kernel*≥6.2  –  <6.6.130
linuxlinux_kernel*≥6.7  –  <6.12.77
linuxlinux_kernel*≥6.13  –  <6.18.17
linuxlinux_kernel*≥6.19  –  <6.19.7
linuxlinux_kernel7.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/227ff4af00abc40b95123cc27ee8079069dcd8d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38353c26db28efd984f51d426eac2396d299cca7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/824a7672e3540962d5c77d4c6666254d7aa6f0b3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b00427317ba7b7ec91252b034009f638d0f311b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c5dc39f8ae055520fd778b7fb0423f11586f15c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ebbb852ffbc952b95ddb7e3872b67b3e74c6da47
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/227ff4af00abc40b95123cc27ee8079069dcd8d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38353c26db28efd984f51d426eac2396d299cca7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/824a7672e3540962d5c77d4c6666254d7aa6f0b3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b00427317ba7b7ec91252b034009f638d0f311b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c5dc39f8ae055520fd778b7fb0423f11586f15c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ebbb852ffbc952b95ddb7e3872b67b3e74c6da47
    Patch