VDB
GCVE-VVD-MAGEIA-2021-225
GCVE-VVD-MAGEIA-2021-225
Advisory Published
This kernel-linus update is based on upstream 5.10.41 and fixes at least
the following security issue:
kernel/bpf/verifier.c in the Linux kernel through 5.12.7 enforces incorrect
limits for pointer arithmetic operations. This can be abused to perform
out-of-bounds reads and writes in kernel memory, leading to local privilege
escalation to root. In particular, there is a corner case where the off reg
causes a masking direction change, which then results in an incorrect final
aux->alu_limit (CVE-2021-33200).
For other upstream fixes, see the referenced changelogs.
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Mageia | virtualbox | 0 (affected), 6.1.30-1.mga8 (unaffected) | — |
| Mageia | kmod-virtualbox | 0 (affected), 6.1.30-1.mga8 (unaffected) | — |
| Mageia | kernel-linus | 0 (affected), 5.10.41-1.mga7 (unaffected), 0 (affected), 5.10.41-1.mga7 (unaffected) | — |
| Mageia | kernel-linus | 0 (affected), 5.10.41-1.mga8 (unaffected), 0 (affected), 5.10.41-1.mga8 (unaffected) | — |
References
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