CVE-2026-93111: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark tracing_multi trampolines as ftrace managed Since tracing_multi link does not set ftrace_managed, it would fail to release the tracing_multi link when attaching tracing_multi link and then attaching fentry link. [ 3.714215] WARNING: kernel/bpf/trampoline.c:1727 at bpf_trampoline_multi_detach+0x20b/0x240, CPU#1: test_progs/97 ... [ 3.733170] bpf_tracing_multi_link_release+0x14/0x30 [ 3.733890] bpf_link_free+0x58/0x130 [ 3.734414] bpf_link_release+0x23/0x30 Fix it by setting 'ftrace_managed = true' in register_fentry_multi().

Засегнати продукти

• Linux Linux: aef4dfa790b22d8052cfb78044eadbe03c876c39 преди 280145253fd38fa975cc04963ddaf74c7f415011; aef4dfa790b22d8052cfb78044eadbe03c876c39 преди 30bdd6d1384d894931f113eb595636092d8e650c
• Linux Linux: 7.2; преди 7.2; 7.2.6 до 7.2.*; от 7.3 нататък

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-2026-93111
• https://nvd.nist.gov/vuln/detail/CVE-2026-93111
• https://git.kernel.org/stable/c/280145253fd38fa975cc04963ddaf74c7f415011
• https://git.kernel.org/stable/c/30bdd6d1384d894931f113eb595636092d8e650c