REDHAT-BUG-2253632
First published: Fri Dec 08 2023(Updated: )
In nft_dynset_init(), dynset_expr->ops is checked against set->exprs[i]->ops at (0) and set->exprs[i] may be NULL here. if set->num_exprs == 1, which means set->exprs[1] is NULL, and i == 1, the check at (1) will be passed and set->exprs[1] will be accessed, causing a kernel crash. Refer: <a href="https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea">https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel |
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Reference Links
- https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2253633
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/errata/RHSA-2024:2950
- https://access.redhat.com/errata/RHSA-2024:3138
- https://bugzilla.redhat.com/show_bug.cgi?id=2253632
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