CVE-2026-74372
CVE CVE-2026-74372EUVD EUVD-2026-59519Published 2026-08-15T05:58:52.000ZLast changed 2026-08-17T05:18:07.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: raid1: fix nr_pending leak in REQ_ATOMIC bad-block error path In raid1_write_request(), each per-mirror loop iteration begins by incrementing rdev->nr_pending. If a REQ_ATOMIC write encounters a badblock within the requested range, the code jumps to err_handle without dropping the reference taken for the current mirror. err_handle's cleanup loop will only decrements for k < i and r1_bio->bios[k] is non-NULL. The current slot is therefore skipped, leaving its nr_pending reference leaked permanently. The reference prevents the rdev from ever being removed, since raid1_remove_conf() refuses to remove an rdev with nr_pending > 0. Fix this by calling rdev_dec_pending() before jumping to err_handle.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux f2a38abf5f1c5aeb3be8e9f4d3d815c867fff7ca <909d9dc3b5730c8ed7b764c68bc788342df2a07b; 6.13; f2a38abf5f1c5aeb3be8e9f4d3d815c867fff7ca <5ac9e793ba2583d72740d929e7858a6c82e22ed5; patch: 0; patch: 6.18.40; patch: 7.2; patch: 7.1.5; f2a38abf5f1c5aeb3be8e9f4d3d815c867fff7ca <731485617bf862f1289c3f40ed1f800d0475826f
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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