Description
In the Linux kernel, the following vulnerability has been resolved: net: ftgmac100: fix ring allocation unwind on open failure ftgmac100_alloc_rings() allocates rx_skbs, tx_skbs, rxdes, txdes, and rx_scratch in stages. On intermediate failures it returned -ENOMEM directly, leaking resources allocated earlier in the function. Rework the failure path to use staged local unwind labels and free allocated resources in reverse order before returning -ENOMEM. This matches common netdev allocation cleanup style.
Product status
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before 184b3a500d60ea48d1b176103cff1706c456edf3
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before 78da43320d9d6ed788147fb085184e4fc801f057
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before a7e1bf392acf11dc4209820fef75758f6e42bd65
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before 8a71911fc7eeea930153322bc1efc065db8cd97e
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before d45230081f19c280096241353c26b0de457de795
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before 8351d18989c8642fc53e2e12d94e42314a39b078
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before 82f86111f0704ab2ded11a2033bc6cf0be3e09ea
d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e (git) before c0fd0fe745f5e8c568d898cd1513d0083e46204a
4.12
Any version before 4.12
5.10.253 (semver)
5.15.203 (semver)
6.1.168 (semver)
6.6.134 (semver)
6.12.81 (semver)
6.18.22 (semver)
6.19.12 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/184b3a500d60ea48d1b176103cff1706c456edf3
git.kernel.org/...c/78da43320d9d6ed788147fb085184e4fc801f057
git.kernel.org/...c/a7e1bf392acf11dc4209820fef75758f6e42bd65
git.kernel.org/...c/8a71911fc7eeea930153322bc1efc065db8cd97e
git.kernel.org/...c/d45230081f19c280096241353c26b0de457de795
git.kernel.org/...c/8351d18989c8642fc53e2e12d94e42314a39b078
git.kernel.org/...c/82f86111f0704ab2ded11a2033bc6cf0be3e09ea
git.kernel.org/...c/c0fd0fe745f5e8c568d898cd1513d0083e46204a