CVE-2024-42067: bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()
First published: Mon Jul 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro() set_memory_rox() can fail, leaving memory unprotected. Check return and bail out when bpf_jit_binary_lock_ro() returns an error.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.6.37 | |
| Linux Linux kernel | >=6.7<6.9.8 | |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.115-1<=6.1.112-1 | 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/044da7ae7afd4ef60806d73654a2e6a79aa4ed7a
- https://git.kernel.org/stable/c/08f6c05feb1db21653e98ca84ea04ca032d014c7
- https://git.kernel.org/stable/c/9fef36cad60d4226f9d06953cd56d1d2f9119730
- https://git.kernel.org/stable/c/e60adf513275c3a38e5cb67f7fd12387e43a3ff5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42067
- https://nvd.nist.gov/vuln/detail/CVE-2024-42067
- https://launchpad.net/bugs/cve/CVE-2024-42067
- https://security-tracker.debian.org/tracker/CVE-2024-42067
- https://ubuntu.com/security/CVE-2024-42067
- https://git.kernel.org/linus/e60adf513275c3a38e5cb67f7fd12387e43a3ff5
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