GHSA-mxvm-x858-3gm2
Record from GitHub Advisory Database · Published April 28, 2024
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup Fix Oops in dasd_alias_get_start_dev() function caused by the pavgroup pointer being NULL. The pavgroup pointer is checked on the entrance of the function but without the lcu->lock being held. Therefore there is a race window between dasd_alias_get_start_dev() and _lcu_update() which sets pavgroup to NULL with the lcu->lock held. Fix by checking the pavgroup pointer with lcu->lock held.
Risk scores
Timeline
- Apr 28, 2024 CVE Published
- Apr 10, 2026 Security Advisory
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References
- https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1 url
- https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4 url
- https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6 url
- https://nvd.nist.gov/vuln/detail/CVE-2022-48636 advisory
- https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac url
- https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1 url
- https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70 url
- https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d url
- https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b url