CVE-2026-63832

CVE CVE-2026-63832EUVD EUVD-2026-45498Published 2026-07-19T12:02:24.000ZLast changed 2026-08-05T12:36:15.000ZCVSS 8.8

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: add wcid publish check in mt76_sta_add Since mt7925_mac_sta_add publishes wcid, add publish check in mt76_sta_add to avoid reinitializing the wcid->poll_list. Found dev->sta_poll_list corruption when using mt7925 and 7.1-rc4. According to the corruption information, prev->next was changed to itself. wlan0: disconnect from AP 90:fb:5d:94:8b:e3 for new auth to 90:fb:5d:94:8b:e2 wlan0: authenticate with 90:fb:5d:94:8b:e2 (local address=84:9e:56:9c:7e:6b) wlan0: send auth to 90:fb:5d:94:8b:e2 (try 1/3) slab kmalloc-8k start ffff8c80958a6000 pointer offset 4160 size 8192 list_add corruption. prev->next should be next (ffff8c808a7488f8), but was ffff8c80958a7040. (prev=ffff8c80958a7040). mt76_wcid_add_poll+0x95/0xd0 [mt76] mt7925_mac_add_txs.part.0+0xa5/0xe0 [mt7925_common] mt7925_rx_check+0xa7/0xc0 [mt7925_common] mt76_dma_rx_poll+0x50d/0x790 [mt76] mt792x_poll_rx+0x52/0xe0 [mt792x_lib]

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 4911e4cb157cf87d5bdb3fa8e0c200032443371e <3c499851753a24d2e148d4e9ca51764c0c51554e; 6.12.13 <6.13; 57d3f833087942ded1a8765b1b361454d3d39e8f; c9389e3f9453ec2d710e61830eafedddfd561226; patch: 7.2-rc1; patch: 7.1.3; 6.13.2 <6.14; patch: 0; 4911e4cb157cf87d5bdb3fa8e0c200032443371e <55e014aaec650ede08b693ba59c8d0443f13f11c; 4911e4cb157cf87d5bdb3fa8e0c200032443371e <20b126920a259df4d7dcae19fcfe2c57a74d6b2e; 6.14; patch: 6.18.38

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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