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CVE-2026-90274: Linux

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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: coresight: etm4x: fix underflow for usage of (nrseqstate - 1) According to IHI006H Embedded Trace Macrocell Architecture Specification[0], TRCSEQEVR<n> is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0 to 2; otherwise, TRCIDR5.NUMSEQSTATE is 0b000. IOW, the number of usage in the initialisation or setting TRCSEQEVR<n> with drvdata->nrseqstate - 1 in the loop could make underflow issue when TRCIDR5.NUMSEQSTATE is 0b000. Therefore, introduce nr_seq_ctrls field and untie it from nrseqstate. As part of this introduce ETM_MAX_SEQ_TRANSITIONS macro and apply nr_seq_ctrls and above macro to TRCSEQEVR<n> relevant fields setup.

    Засегнати продукти

    • Linux Linux: 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 8d669db59f7283b838e029af29da12e505265fae; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 4091f2d5b26d117c992ffcce1a5df425a0daedcd; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди be7b2de5b9a96ae68ffa3528e0a40d63e0fd8148; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 4f9a0f548413bf864f609c9f4bc56e3f1b3577d4; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 1ade9a335c69fc735cb7b3f222ed35ab135540fb; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 5ac900f73ce1d4d8308f40752b51bc8a02b244d2; 2e1cdfe184b5202d51e0611d7a051e2bea303946 преди 1674d9bff8073bdee5dbc200f56fc3caa28d0566
    • Linux Linux: 4.2; преди 4.2; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; от 7.3 нататък

    История

    • 17 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-90274: Linux | freedomonline.bg