CVE-2026-64414: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: netfilter: handle unreadable frags sashiko reports: When an skb with unreadable fragments (such as from devmem TCP, where skb_frags_readable(skb) returns false) is processed by the u32 module, skb_copy_bits() will safely return a negative error code [..] xt_u32: bail out with hotdrop in this case. gather_frags: return -1, just as if we had no fragment header. nfnetlink_queue: restrict to the linear part. nfnetlink_log: restrict to the linear part. v2: - skb_zerocopy helpers don't copy readable flag, i.e. nfnetlink_queue is broken too xt_u32 shouldn't return true if hotdrop was set.

Засегнати продукти

• Linux Linux: 65249feb6b3df9e17bab5911ee56fa7b0971e231 преди 3b13e7635795394705920cca1e1db7e4ca2e334b; 65249feb6b3df9e17bab5911ee56fa7b0971e231 преди fc5bfe63bacf8a3ae307b62b34206406ca733354; 65249feb6b3df9e17bab5911ee56fa7b0971e231 преди 57056be3ec12e7d9ecd20a60d4060f510e4f284c; 65249feb6b3df9e17bab5911ee56fa7b0971e231 преди da5b58478a9c1b85608c9e40a3b8432d071b409e
• Linux Linux: 6.12; преди 6.12; 6.12.96 до 6.12.*; 6.18.39 до 6.18.*; 7.1.4 до 7.1.*; 7.2 до *

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-64414
• https://nvd.nist.gov/vuln/detail/CVE-2026-64414
• https://git.kernel.org/stable/c/3b13e7635795394705920cca1e1db7e4ca2e334b
• https://git.kernel.org/stable/c/fc5bfe63bacf8a3ae307b62b34206406ca733354
• https://git.kernel.org/stable/c/57056be3ec12e7d9ecd20a60d4060f510e4f284c
• https://git.kernel.org/stable/c/da5b58478a9c1b85608c9e40a3b8432d071b409e