netfilter: nfnetlink_osf: fix out-of-bounds read on option matching

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CVE-2026-52999

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix out-of-bounds read on option matching In nfosfmatch, the nfosfhdrctx structure is initialized once and passed by reference to nfosfmatchone for each fingerprint checked. During TCP option parsing,...

CVE-2026-52999

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix out-of-bounds read on option matching In nfosfmatch, the nfosfhdrctx structure is initialized once and passed by reference to nfosfmatchone for each fingerprint checked. During TCP option parsing,...

CVE-2026-52999 netfilter: nfnetlink_osf: fix out-of-bounds read on option matching

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix out-of-bounds read on option matching In nfosfmatch, the nfosfhdrctx structure is initialized once and passed by reference to nfosfmatchone for each fingerprint checked. During TCP option parsing,...

CVE-2026-52999 netfilter: nfnetlink_osf: fix out-of-bounds read on option matching

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix out-of-bounds read on option matching In nfosfmatch, the nfosfhdrctx structure is initialized once and passed by reference to nfosfmatchone for each fingerprint checked. During TCP option parsing,...

PT-2026-51893

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the netfilter module. In the nf osf match function, the nf osf hdr ctx structure is passed by reference to nf osf match one for fingerprint checks. During...