CVE-2026-72437

UNKNOWN 0.0

md/raid1: free r1_bio when REQ_NOWAIT is set and read would block on retry

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

In the Linux kernel, the following vulnerability has been resolved: md/raid1: free r1_bio when REQ_NOWAIT is set and read would block on retry When a read is retried, raid1_read_request() may be called with a pre-allocated r1_bio. If wait_read_barrier() fails for a REQ_NOWAIT read, the bio is completed and the function returns immediately. In this case the existing r1_bio is leaked. This fixes a leak of pre-allocated r1_bio structures for retried reads.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Aug 15, 2026

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Affected Versions

Linux / Linux

5aa705039c4fca84575539bfa2b8a28454a3d2ca < d1eda529a4bf6b866d02755723ee0eb1f037a5ed 5aa705039c4fca84575539bfa2b8a28454a3d2ca < c66ed3e6371f5dba8f5d8ab810d6683ddc99201e 5aa705039c4fca84575539bfa2b8a28454a3d2ca < db58075bc9c2ad2731f9c063859b47104bc2e7ef 5aa705039c4fca84575539bfa2b8a28454a3d2ca < 6d92dbd73d19a0622f60352ce9d9379f7a760112 5aa705039c4fca84575539bfa2b8a28454a3d2ca < c6e6354295845698d2fdfa20b71fc404786f7e93 5aa705039c4fca84575539bfa2b8a28454a3d2ca < 69ad6ce47f9bf2b9fe0ed69b042db993d33bbf12

Linux / Linux

5.17

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/d1eda529a4bf6b866d02755723ee0eb1f037a5ed git.kernel.org: https://git.kernel.org/stable/c/c66ed3e6371f5dba8f5d8ab810d6683ddc99201e git.kernel.org: https://git.kernel.org/stable/c/db58075bc9c2ad2731f9c063859b47104bc2e7ef git.kernel.org: https://git.kernel.org/stable/c/6d92dbd73d19a0622f60352ce9d9379f7a760112 git.kernel.org: https://git.kernel.org/stable/c/c6e6354295845698d2fdfa20b71fc404786f7e93 git.kernel.org: https://git.kernel.org/stable/c/69ad6ce47f9bf2b9fe0ed69b042db993d33bbf12