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Message-ID: <2024092743-CVE-2024-46855-4382@gregkh> Date: Fri, 27 Sep 2024 14:43:48 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-46855: netfilter: nft_socket: fix sk refcount leaks Description =========== In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: fix sk refcount leaks We must put 'sk' reference before returning. The Linux kernel CVE team has assigned CVE-2024-46855 to this issue. Affected and fixed versions =========================== Issue introduced in 5.3 with commit 039b1f4f24ec and fixed in 6.1.111 with commit 33c2258bf8cb Issue introduced in 5.3 with commit 039b1f4f24ec and fixed in 6.6.52 with commit 83e6fb59040e Issue introduced in 5.3 with commit 039b1f4f24ec and fixed in 6.10.11 with commit 1f68e097e20d Issue introduced in 5.3 with commit 039b1f4f24ec and fixed in 6.11 with commit 8b26ff7af8c3 Issue introduced in 4.19.76 with commit 6934809432d2 Issue introduced in 5.2.18 with commit f63432cd1bb2 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-46855 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: net/netfilter/nft_socket.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/33c2258bf8cb17fba9e58b111d4c4f4cf43a4896 https://git.kernel.org/stable/c/83e6fb59040e8964888afcaa5612cc1243736715 https://git.kernel.org/stable/c/1f68e097e20d3c695281a9c6433acc37be47fe11 https://git.kernel.org/stable/c/8b26ff7af8c32cb4148b3e147c52f9e4c695209c
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