CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се от съседна мрежа, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: capture fast-RX rate before mesh reuses skb->cb ieee80211_invoke_fast_rx() reads RX status through IEEE80211_SKB_RXCB(skb), which aliases the same skb->cb storage that ieee80211_rx_mesh_data() reuses as IEEE80211_TX_INFO. In the unicast forward path, mesh_data does: info = IEEE80211_SKB_CB(fwd_skb); memset(info, 0, sizeof(*info)); on the same skb the caller still names via rx->skb, then either queues the skb for TX (success) or kfree_skb()'s it (no-route) before returning RX_QUEUED. The caller's RX_QUEUED arm then calls sta_stats_encode_rate(status) on memory that is either zeroed (success path) or freed (no-route path). The latter is KASAN slab-use-after-free in ieee80211_prepare_and_rx_handle. Fix by encoding the rate from status before invoking ieee80211_rx_mesh_data(), so the RX_QUEUED arm consumes a value captured while status was still backed by valid memory.
Засегнати продукти
- Linux Linux: 3468e1e0c639032a603450f0830ccabfa76f5806 преди 5fe97797412aa8bc0184f78379fafb594bcb7f66; 3468e1e0c639032a603450f0830ccabfa76f5806 преди 0cd37e746e98ab0baa6d8b812955220775b080d6; 3468e1e0c639032a603450f0830ccabfa76f5806 преди a2650f8461cd8ba287fee2992b36abe733c2bd5e; 3468e1e0c639032a603450f0830ccabfa76f5806 преди 2fb64f94f9afb774f2fa0c7835727d7a67f89f07; 3468e1e0c639032a603450f0830ccabfa76f5806 преди d71c841be5d9e586ee7f36c0dc8ed4db0d9a1349
- Linux Linux: 6.4; преди 6.4; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.57 до 6.18.*; 7.0.11 до 7.0.*; от 7.1 нататък
Вид слабост
История
- 19 юли 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-64117
- https://nvd.nist.gov/vuln/detail/CVE-2026-64117
- https://git.kernel.org/stable/c/5fe97797412aa8bc0184f78379fafb594bcb7f66
- https://git.kernel.org/stable/c/0cd37e746e98ab0baa6d8b812955220775b080d6
- https://git.kernel.org/stable/c/a2650f8461cd8ba287fee2992b36abe733c2bd5e
- https://git.kernel.org/stable/c/2fb64f94f9afb774f2fa0c7835727d7a67f89f07
- https://git.kernel.org/stable/c/d71c841be5d9e586ee7f36c0dc8ed4db0d9a1349