A flaw was found in the Linux kernel's network component, specifically within the `mscc: ocelot` driver. The system failed to properly secure access to shared resources during network packet injection, leading to a missing lock protection vulnerability. This oversight could allow a local attacker to exploit race conditions, potentially causing system instability or a denial of service (DoS).

Red Hat Enterprise Linux 10 Not affected kernel Red Hat Enterprise Linux 6 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel-rt Red Hat Enterprise Linux 8 Not affected kernel Red Hat Enterprise Linux 8 Not affected kernel-rt Red Hat Enterprise Linux 9 Not affected kernel Red Hat Enterprise Linux 9 Not affected kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-45849 https://nvd.nist.gov/vuln/detail/CVE-2026-45849 https://lore.kernel.org/linux-cve-announce/2026052708-CVE-2026-45849-fad7@gregkh/T