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CVE-2026-52930: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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Време до експлоатация

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shm_nattch updates shm_destroy_orphaned() walks the shm idr under shm_ids(ns).rwsem, but that does not serialize all fields tested by shm_may_destroy(). In particular, shm_nattch is updated while holding shm_perm.lock, and attach paths can do that without holding the rwsem. Do not decide that an orphaned segment is unused before taking the object lock. Move the shm_may_destroy() check under shm_perm.lock, matching the other destroy paths, and unlock the segment when it no longer qualifies for removal.

    Засегнати продукти

    • Linux Linux: 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди b1e9aef48e4d8a0c1b54fb913077b0824ed7d650; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди 92cda2593cf2ed25b0e9d78e5e6d8303bba1a064; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди 1f0d01e35dbb228084d5187212e32c91a30dcbeb; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди 6560be3f6a5bb84f006f184f0c966747bb58e1a3; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди b5107b4ce3ad45fcf369ee2058c8910620f4b5a8; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди db752ebfdaf2c7f27cd9690ef48b616af068319c; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди 030bbc857bd51d4b25a90d931d3f8775ef22823a; 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d преди 2e5c6f4fd4001562781e99bbfc7f1f0127187542
    • Linux Linux: 3.1; преди 3.1; 5.10.259 до 5.10.*; 5.15.210 до 5.15.*; 6.1.176 до 6.1.*; 6.6.143 до 6.6.*; 6.12.94 до 6.12.*; 6.18.36 до 6.18.*; 7.0.13 до 7.0.*; от 7.1 нататък
    • Siemens: още 4 продукта, добавени от Siemens

      SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

    История

    • 24 юни 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-52930: Linux | freedomonline.bg