Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and _MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generic header. The _MAT path likewise passed a generic header to the IOAPIC helper. Validate that a current record has a complete generic header, that its declared length is contained in the available record range, and that a typed IOAPIC record contains the full fixed IOAPIC body before reading its fields. Use the same relation for both MADT and _MAT provider paths.
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
ecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 5601bd81bc290a724ed47797d22c16cba4d7ed9faffectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < ff82e3374e9103d046b2a82f4315d9a422ff097daffectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 2a5520065e76000f8c979d3d7b3d861ccaaecf1eaffectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 8e67b58c04990817ac2dbf8ae03353be6a358cd4affectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 74d84320f8e37955eb286a7777843d554e6e75b2affectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 4d8ecaa332c163f2b44aa5027bf061950b71b5f3affectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 355bee5f11acb116cd256588631b4028ca562646affectedecf5636dcd59cd5508641f995cc4c2bafedbb995 to < 2c50ffdc73f3a70d745d249f509fc290754121e6affected
Linux Linux
Default version status: affected
4.0affected0 to < 4.0unaffected5.10.270 to ≤ 5.10.*unaffected5.15.221 to ≤ 5.15.*unaffected6.1.188 to ≤ 6.1.*unaffected6.6.157 to ≤ 6.6.*unaffected6.12.110 to ≤ 6.12.*unaffected6.18.52 to ≤ 6.18.*unaffected7.2.6 to ≤ 7.2.*unaffected7.3 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/5601bd81bc290a724ed47797d22c16cba4d7ed9f ↗
- https://git.kernel.org/stable/c/ff82e3374e9103d046b2a82f4315d9a422ff097d ↗
- https://git.kernel.org/stable/c/2a5520065e76000f8c979d3d7b3d861ccaaecf1e ↗
- https://git.kernel.org/stable/c/8e67b58c04990817ac2dbf8ae03353be6a358cd4 ↗
- https://git.kernel.org/stable/c/74d84320f8e37955eb286a7777843d554e6e75b2 ↗
- https://git.kernel.org/stable/c/4d8ecaa332c163f2b44aa5027bf061950b71b5f3 ↗
- https://git.kernel.org/stable/c/355bee5f11acb116cd256588631b4028ca562646 ↗
- https://git.kernel.org/stable/c/2c50ffdc73f3a70d745d249f509fc290754121e6 ↗