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In the Linux kernel, the following vulnerability has been resolved: raid1: fix nr_pending leak in REQ_ATOMIC bad-block error path In… (CVE-2026-74372)

0
Unknown
Published: 08/15/2026 (08/15/2026, 06:32:31 UTC)
Source: GCVE Database

Description

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.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-g6g3-325w-fc52
Osv Schema Version
1.4.0
Aliases
["CVE-2026-74372"]
Ecosystems
[]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a808b6abf8831d5394f634d

Added to database: 08/15/2026, 15:53:14 UTC

Last updated: 08/15/2026, 15:54:49 UTC

Views: 1

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