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CVE-2026-98085: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: bpf: backtrack_insn(): Handle ld_{abs,ind} subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPF_LD | BPF_{IND,ABS} instructions. These instructions are modelled as two branches: - fallthrough; - implicit exit from current subprogram. The implicit exit case was not handled by the backtrack_insn() function. When backtracking such a path backtrack_insn() did not call bt_subprog_enter(), which meant that backtracking continued manipulating precision marks in a caller frame, while looking at instructions in a callee frame. This lead to segmentation faults during verification (see the selftest), or unsound state pruning.

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    • Linux Linux: 37ad2bb11e9de92cb7b94548705eeedd87f7d392 преди 19cca7c36055906b3cff3e297618ee8a50cde25d; 8674e2db06cff6b50f2216eed9a761d15425bb34 преди 12c064bcfa56e3631be9f5336ee113b7f849959a; ce01a4e5cfac7adbe0be565f90cd32ecbb2f8337 преди a0cd9e22f8faed30a8da8be357c51bd8b3074ee9; ee861486e377edc55361c08dcbceab3f6b6577bd преди 671b7b9a660ef15b25faa3df161205b9dc8d1eb2; ee861486e377edc55361c08dcbceab3f6b6577bd преди 387b1baefbb776e3f48dc2261e77a49213f470f7; 928d354ae3557e8f755a227e67be88034eb3cd7f; 8a800497d9f6c2ec9c2c1ba7b71d0ac2ea7f7bbe; de1055e7f9e67af32b1f3376066272b04e5223c0; d846d83bdacbd8f14fc45c63b8c1d22608452e1c; 6.6.148 преди 6.6.160; 6.12.101 преди 6.12.114; 6.18.42 преди 6.18.57; 5.10.265 преди 5.11; 5.15.216 преди 5.16; 6.1.183 преди 6.2; 7.0.10 преди 7.1
    • Linux Linux: 7.1; преди 7.1; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.57 до 6.18.*; 7.2.7 до 7.2.*; от 7.3 нататък

    История

    • 25 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-98085: Linux | freedomonline.bg