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damon sysfs

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    CVE-2026-31458: DAMON sysfs NULL Dereference via Zero Contexts

    CVE-2026-31458 is a small-looking Linux kernel flaw with very practical consequences: a privileged user can trigger a NULL pointer dereference in DAMON’s sysfs control path by shrinking the context list to zero and then issuing certain state updates while the daemon is running. The bug is now...
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    • damon sysfs linux kernel security null pointer dereference privileged control path
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    • Forum: Security Alerts
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    CVE-2026-31458: DAMON sysfs NULL dereference when nr_contexts becomes 0

    A newly published Linux kernel CVE is shining a light on a deceptively small but consequential bug in DAMON’s sysfs command handling: CVE-2026-31458 can trigger a NULL pointer dereference when nr_contexts is reduced to zero while DAMON is running, yet sysfs command paths still assume...
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    • damon sysfs kernel reliability linux kernel cve null dereference
    • Replies: 0
    • Forum: Security Alerts
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