CVE-2026-31737
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < 184b3a500d60ea48d1b176103cff1706c456edf3 | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < 78da43320d9d6ed788147fb085184e4fc801f057 | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < a7e1bf392acf11dc4209820fef75758f6e42bd65 | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < 8a71911fc7eeea930153322bc1efc065db8cd97e | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < d45230081f19c280096241353c26b0de457de795 | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < 8351d18989c8642fc53e2e12d94e42314a39b078 | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < 82f86111f0704ab2ded11a2033bc6cf0be3e09ea | affected |
| Linux | Linux | d72e01a0430f8a1ae7adb3cbf0b2e73fcd99252e < c0fd0fe745f5e8c568d898cd1513d0083e46204a | affected |
| Linux | Linux | 4.12 | affected |
| Linux | Linux | 0 < 4.12 | unaffected |
| Linux | Linux | 5.10.253 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.203 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.168 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.134 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.81 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.22 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.12 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/184b3a500d60ea48d1b176103cff1706c456edf3
- https://git.kernel.org/stable/c/78da43320d9d6ed788147fb085184e4fc801f057
- https://git.kernel.org/stable/c/a7e1bf392acf11dc4209820fef75758f6e42bd65
- https://git.kernel.org/stable/c/8a71911fc7eeea930153322bc1efc065db8cd97e
- https://git.kernel.org/stable/c/d45230081f19c280096241353c26b0de457de795
- https://git.kernel.org/stable/c/8351d18989c8642fc53e2e12d94e42314a39b078
- https://git.kernel.org/stable/c/82f86111f0704ab2ded11a2033bc6cf0be3e09ea
- https://git.kernel.org/stable/c/c0fd0fe745f5e8c568d898cd1513d0083e46204a
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