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Време до експлоатация
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: tracing/mmiotrace: Add NULL check for mmio_trace_array in logging functions mmio_trace_rw() and mmio_trace_mapping() retrieve mmio_trace_array into tr and pass it to __trace_mmiotrace_rw() and __trace_mmiotrace_map(). If these functions are invoked while mmio_trace_array is NULL (e.g. before initialization or after disabled), accessing tr->array_buffer.buffer will result in a NULL pointer dereference crash. Fix this by adding an explicit NULL check for tr at the beginning of __trace_mmiotrace_rw() and __trace_mmiotrace_map().
Засегнати продукти
- Linux Linux: f984b51e0779a6dd30feedc41404013ca54e5d05 преди dc1b1a057b3bb901f83433700e604fe0ae67c5f2; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 6aee2d478545c089dd5d055d3c9f0c7ea034fb80; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 4e4ab09db7899d7f2d2293a18adf0fa200a27e73; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 2df964d141270c40f07547b0c2e0a51e2573d46d; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 876014b4eeb927146430e7591cf959a7ceb8d64a; f984b51e0779a6dd30feedc41404013ca54e5d05 преди a20a0010eb6485f60cd64e15ebc85a4bd388642e; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 60234845142fddb27db89ebc00a65178421fb3a4; f984b51e0779a6dd30feedc41404013ca54e5d05 преди 12b80cdbc54cf615b4717a4e8180063408091ea2
- Linux Linux: 2.6.27; преди 2.6.27; 5.10.270 до 5.10.*; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.103 до 6.12.*; 6.18.44 до 6.18.*; 7.1.8 до 7.1.*; от 7.2 нататък
История
- 28 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-80689
- https://nvd.nist.gov/vuln/detail/CVE-2026-80689
- https://git.kernel.org/stable/c/dc1b1a057b3bb901f83433700e604fe0ae67c5f2
- https://git.kernel.org/stable/c/6aee2d478545c089dd5d055d3c9f0c7ea034fb80
- https://git.kernel.org/stable/c/4e4ab09db7899d7f2d2293a18adf0fa200a27e73
- https://git.kernel.org/stable/c/2df964d141270c40f07547b0c2e0a51e2573d46d
- https://git.kernel.org/stable/c/876014b4eeb927146430e7591cf959a7ceb8d64a
- https://git.kernel.org/stable/c/a20a0010eb6485f60cd64e15ebc85a4bd388642e
- https://git.kernel.org/stable/c/60234845142fddb27db89ebc00a65178421fb3a4
- https://git.kernel.org/stable/c/12b80cdbc54cf615b4717a4e8180063408091ea2