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CVE-2025-71238 Linux CVE debrief

A double-free vulnerability was found in the Linux kernel's qla2xxx SCSI driver. This issue could potentially lead to a kernel panic. The vulnerability has been resolved through a series of commits in the Linux kernel's stable branch. Affected Linux system administrators should assess their exposure and apply patches as necessary to prevent potential kernel panics. The vulnerability is caused by a double-free issue in the qla2xxx SCSI driver, which can lead to system instability and potential denial of service conditions.

Vendor
Linux
Product
Unknown
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-04
Original CVE updated
2026-10-19
Advisory published
2026-03-04
Advisory updated
2026-10-19

Who should care

Linux system administrators and users running affected kernel versions should assess their exposure and apply patches as necessary to prevent potential kernel panics. Linux system administrators should review and apply patches to mitigate this vulnerability. The vulnerability affects Linux system administrators, users running affected kernel versions, and security teams responsible for patch management and system updates.

Why it matters

This vulnerability in the Linux kernel's qla2xxx SCSI driver could lead to system instability and potential denial of service conditions if exploited. Linux system administrators should review and apply patches to mitigate this vulnerability.

  • System crashes due to kernel panics
  • Potential for denial of service (DoS) conditions
  • Need for patch management and system updates

Technical summary

The Linux kernel's qla2xxx SCSI driver is vulnerable to a double-free issue. This could lead to a kernel panic under certain conditions. The vulnerability has been addressed through multiple commits in the Linux kernel's stable branch. The vulnerability is caused by a double-free issue in the qla2xxx SCSI driver, which can lead to system instability and potential denial of service conditions. Linux system administrators should review and apply patches to mitigate this vulnerability. The affected product context and defensive impact are critical to understanding the vulnerability.

Defensive priority

Medium

Recommended defensive actions

  • Review and apply the relevant patches from the Linux kernel stable branch to address the double-free vulnerability in the qla2xxx SCSI driver.
  • Ensure that systems running the affected Linux kernel versions are updated with the latest security patches.
  • Monitor system logs for potential kernel panics or other indicators of exploitation attempts.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and source item provide details about the vulnerability, including a description of the issue and affected versions. However, the corpus does not provide explicit information on exploitation or victim impact. Linux system administrators and users running affected kernel versions should review and apply patches to mitigate this vulnerability. The vulnerability has been addressed through multiple commits in the Linux kernel's stable branch.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-71238 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-71238

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-71238 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-71238

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • scsi: qla2xxx: Fix bsg_done() causing double free

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/71xxx/CVE-2025-71238.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/057a5bdc481e58ab853117254867ffb22caf9f6e

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/f2bbb4db0e4a4fbd5e649c0b5d8733f61da24720

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/27ac9679c43a09e54e2d9aae9980ada045b428e0

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/74e7458537cd9349cf019862e51491f670871707

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/871f6236da96c4a9712b8a29d7f555f767a47e95

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/31f33b856d2324d86bcaef295f4d210477a1c018

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/708003e1bc857dd014d4c44278d7d77c26f91b1c

    Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.