Към съдържанието
Търсене

CVE-2026-64006: Linux

Няма оценка

CVSS

Няма данни

Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

Няма потвърждение

Атакува се

Няма данни

Време до експлоатация

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix dst corruption in same register operation For lshift and rshift, the shift operations are performed in a loop over 32-bit words. The loop calculates the shifted value and write it to dst, and then immediately reads from src to calculate the carry for the next iteration. Because src and dst could point to the same memory location, the carry is incorrectly calculated using the newly modified dst value instead of the original src value. Adding a temporary local variable to cache the original value before writing to dst and using it for the carry calculation solves the problem. In addition, partial overlap is rejected from control plane for all kind of operations including byteorder. This was tested with the following bytecode: table test_table ip flags 0 use 1 handle 1 ip test_table test_chain use 3 type filter hook input prio 0 policy accept packets 0 bytes 0 flags 1 ip test_table test_chain 2 [ immediate reg 1 0x44332211 0x88776655 ] [ bitwise reg 1 = ( reg 1 << 0x08000000 ) ] [ cmp eq reg 1 0x66443322 0x00887766 ] [ counter pkts 0 bytes 0 ] ip test_table test_chain 4 3 [ immediate reg 1 0x44332211 0x88776655 ] [ bitwise reg 1 = ( reg 1 << 0x08000000 ) ] [ cmp eq reg 1 0x55443322 0x00887766 ] [ counter pkts 21794 bytes 1917798 ]

    Засегнати продукти

    • Linux Linux: 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди 95bf63844045e7948fd1aeb5e71b942e86ca0414; 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди b80ef316e978de2ef81d5bee9c19800b4cf96fb8; 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди 379ff8d40f59632bea1208956629c2a04067d403; 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди 96bea2a7baac4a1137c188dc7610184487ab30a7; 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди a391afe74398b70107f111aa731eab608624949d; 567d746b55bc66d3800c9ae91d50f0c5deb2fd93 преди 18014147d3ee7831dce53fe65d7fc8d428b02552
    • Linux Linux: 5.6; преди 5.6; 6.1.191 до 6.1.*; 6.6.143 до 6.6.*; 6.12.114 до 6.12.*; 6.18.35 до 6.18.*; 7.0.12 до 7.0.*; от 7.1 нататък

    История

    • 19 юли 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-64006: Linux | freedomonline.bg