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CVE-2024-38630 (GCVE-0-2024-38630)

Vulnerability from cvelistv5 – Published: 2024-06-21 10:18 – Updated: 2026-05-11 20:20
VLAI
Title
watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger
Summary
In the Linux kernel, the following vulnerability has been resolved: watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger When the cpu5wdt module is removing, the origin code uses del_timer() to de-activate the timer. If the timer handler is running, del_timer() could not stop it and will return directly. If the port region is released by release_region() and then the timer handler cpu5wdt_trigger() calls outb() to write into the region that is released, the use-after-free bug will happen. Change del_timer() to timer_shutdown_sync() in order that the timer handler could be finished before the port region is released.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:09 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9b1c063ffc075abf56f63e55d70b9778ff534314 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f19686d616500cd0d47b30cee82392b53f7f784a (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 573601521277119f2e2ba5f28ae6e87fc594f4d4 (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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