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A vulnerability in the Linux kernel's xfrm ipcomp subsystem was resolved by ensuring destination pages are freed on acomp errors. The issue involved improper handling of allocated destination scatter-gather lists, which could lead to resource leaks. This vulnerability affects multiple versions of the linux-hwe-edge kernel and has a CVSS score of 7.5, indicating a medium severity level. A patch is available and included in updated Linux kernel packages. Users should apply the updates and reboot to mitigate the issue.

The Linux kernel vulnerability CVE-2026-52932 concerns the xfrm ipcomp subsystem where destination pages were not freed properly on acomp errors due to the out_free_req label being misplaced. This flaw could cause resource leaks by not freeing allocated destination scatter-gather lists on error conditions. The issue has been fixed by moving the out_free_req label to ensure proper cleanup. The vulnerability affects numerous specific linux-hwe-edge kernel versions prior to 7.0.0-28.28 and related builds. The CVSS 3.1 score is 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, but high impact on availability.

Detailed information about UBUNTU-CVE-2026-52932 affecting null linux-hwe-edge. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-52932 - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the out_free_req label… (CVE-2026-52932)

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