CVE-2026-72437None▾ SunlitIn 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 w…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < d1eda529a4bf6b866d02755723ee0eb1f037a5edLinux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < c66ed3e6371f5dba8f5d8ab810d6683ddc99201eLinux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < db58075bc9c2ad2731f9c063859b47104bc2e7efLinux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < 6d92dbd73d19a0622f60352ce9d9379f7a760112Linux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < c6e6354295845698d2fdfa20b71fc404786f7e93Linux >= 5aa705039c4fca84575539bfa2b8a28454a3d2ca < 69ad6ce47f9bf2b9fe0ed69b042db993d33bbf12Linux 5.17Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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