Description
In the Linux kernel, the following vulnerability has been resolved: net: ena: clean up XDP TX queues when regular TX setup fails create_queues_with_size_backoff() creates XDP TX queues before setting up the regular TX path. If the subsequent allocation or creation of regular TX queues fails, the error handling paths omit the teardown of the XDP TX queues, leading to a resource leak. Fix this by explicitly destroying the XDP TX queue subset at the two missing failure points. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1-rc7. An x86_64 allyesconfig build showed no new warnings. As we do not have an ENA device to test with, no runtime testing was able to be performed.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
548c4940b9f1f527f81509468dd60b61418880b6 to < df65d9fea8437235e740552e542fb309765507dbaffected548c4940b9f1f527f81509468dd60b61418880b6 to < 5daa63404b708fc74e94da8398affbb148d09044affected548c4940b9f1f527f81509468dd60b61418880b6 to < 523caef03124ecc08ce62a78c617759c2d28cf1caffected548c4940b9f1f527f81509468dd60b61418880b6 to < f2ff634d95f8a6c885b9ce71a64067e255bcc34aaffected548c4940b9f1f527f81509468dd60b61418880b6 to < 6773d6d82bdabddab2b31605d6d7029c91dbd217affected548c4940b9f1f527f81509468dd60b61418880b6 to < 6596baf8041100a9d1647beb5ea8ea4496ce058faffected548c4940b9f1f527f81509468dd60b61418880b6 to < 11f68ebc6891d11de5f32b7dee918c5dc18b8de1affected548c4940b9f1f527f81509468dd60b61418880b6 to < 1bd6676254b4ab6acd44b662b5e92822c036463aaffected
Linux Linux
Default version status: affected
5.6affected0 to < 5.6unaffected5.10.261 to ≤ 5.10.*unaffected5.15.212 to ≤ 5.15.*unaffected6.1.178 to ≤ 6.1.*unaffected6.6.145 to ≤ 6.6.*unaffected6.12.97 to ≤ 6.12.*unaffected6.18.40 to ≤ 6.18.*unaffected7.1.5 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/df65d9fea8437235e740552e542fb309765507db ↗
- https://git.kernel.org/stable/c/5daa63404b708fc74e94da8398affbb148d09044 ↗
- https://git.kernel.org/stable/c/523caef03124ecc08ce62a78c617759c2d28cf1c ↗
- https://git.kernel.org/stable/c/f2ff634d95f8a6c885b9ce71a64067e255bcc34a ↗
- https://git.kernel.org/stable/c/6773d6d82bdabddab2b31605d6d7029c91dbd217 ↗
- https://git.kernel.org/stable/c/6596baf8041100a9d1647beb5ea8ea4496ce058f ↗
- https://git.kernel.org/stable/c/11f68ebc6891d11de5f32b7dee918c5dc18b8de1 ↗
- https://git.kernel.org/stable/c/1bd6676254b4ab6acd44b662b5e92822c036463a ↗