CVE-2024-35800: efi: fix panic in kdump kernel
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if get_next_variable() is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.84 | 6.1.84 |
| redhat/kernel | <6.6.24 | 6.6.24 |
| redhat/kernel | <6.7.12 | 6.7.12 |
| redhat/kernel | <6.8.3 | 6.8.3 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/090d2b4515ade379cd592fbc8931344945978210
- https://git.kernel.org/stable/c/62b71cd73d41ddac6b1760402bbe8c4932e23531
- https://git.kernel.org/stable/c/7784135f134c13af17d9ffb39a57db8500bc60ff
- https://git.kernel.org/stable/c/9114ba9987506bcfbb454f6e68558d68cb1abbde
- https://git.kernel.org/stable/c/b9d103aca85f082a343b222493f3cab1219aaaf4
- https://launchpad.net/bugs/cve/CVE-2024-35800
- https://access.redhat.com/security/cve/CVE-2024-35800
- https://lore.kernel.org/linux-cve-announce/2024051738-CVE-2024-35800-219a@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281238
- https://access.redhat.com/errata/RHSA-2024:5363
- https://bugzilla.redhat.com/show_bug.cgi?id=2281237
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35800
- https://nvd.nist.gov/vuln/detail/CVE-2024-35800
- https://security-tracker.debian.org/tracker/CVE-2024-35800
- https://ubuntu.com/security/CVE-2024-35800
- https://git.kernel.org/linus/62b71cd73d41ddac6b1760402bbe8c4932e23531
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