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VULNERABILITIES

CVE-2026-72437 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/69ad6ce47f9bf2b9fe0ed69b042db993d33bbf12 kernel.org
https://git.kernel.org/stable/c/6d92dbd73d19a0622f60352ce9d9379f7a760112 kernel.org
https://git.kernel.org/stable/c/c66ed3e6371f5dba8f5d8ab810d6683ddc99201e kernel.org
https://git.kernel.org/stable/c/c6e6354295845698d2fdfa20b71fc404786f7e93 kernel.org
https://git.kernel.org/stable/c/d1eda529a4bf6b866d02755723ee0eb1f037a5ed kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72437
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-72437 Details - Not Deferred