Description
In the Linux kernel, the following vulnerability has been resolved: via_wdt: fix critical boot hang due to unnamed resource allocation The VIA watchdog driver uses allocate_resource() to reserve a MMIO region for the watchdog control register. However, the allocated resource was not given a name, which causes the kernel resource tree to contain an entry marked as "<BAD>" under /proc/iomem on x86 platforms. During boot, this unnamed resource can lead to a critical hang because subsequent resource lookups and conflict checks fail to handle the invalid entry properly.
Product status
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before 1d56025a3af50db0f3da2792f41eb9943eee5324
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before c7b986adc9e9336066350542ac5a2005d305ae78
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before 47c910965c936724070d2a8094a4c3ed8f452856
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before d2c7c90aca7b37f60f16b2bedcfeb16204f2f35d
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before f7b6370d0fbee06a867037d675797a606cb62e57
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before c6a2dd4f2e4e6cbdfe7a1618160281af897b75db
dc3c56b703dad4aec8a9b3dd86f03a90d0c26a2d (git) before 7aa31ee9ec92915926e74731378c009c9cc04928
3.3
Any version before 3.3
5.10.248 (semver)
5.15.198 (semver)
6.1.160 (semver)
6.6.120 (semver)
6.12.64 (semver)
6.18.3 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/1d56025a3af50db0f3da2792f41eb9943eee5324
git.kernel.org/...c/c7b986adc9e9336066350542ac5a2005d305ae78
git.kernel.org/...c/47c910965c936724070d2a8094a4c3ed8f452856
git.kernel.org/...c/d2c7c90aca7b37f60f16b2bedcfeb16204f2f35d
git.kernel.org/...c/f7b6370d0fbee06a867037d675797a606cb62e57
git.kernel.org/...c/c6a2dd4f2e4e6cbdfe7a1618160281af897b75db
git.kernel.org/...c/7aa31ee9ec92915926e74731378c009c9cc04928