What’s Vulnerable › Vulnerabilities

CVE-2024-41149: block: avoid to reuse `hctx` not removed from cpuhp callback list

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-11 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: block: avoid to reuse `hctx` not removed from cpuhp callback list If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it, otherwise use-after-free may be triggered.

Affected products

• Linux kernel: 6.12.6, 6.13-rc2, 6.13-rc3

References

• https://git.kernel.org/stable/c/85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b
• https://git.kernel.org/stable/c/b5792c162dcf6197bf3d2de2be6c8169435b73d0
• https://git.kernel.org/stable/c/ee18012c80155f6809522804099621070c69ec72

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