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Message-ID: <2024100919-CVE-2024-47670-53f3@gregkh> Date: Wed, 9 Oct 2024 16:49:20 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-47670: ocfs2: add bounds checking to ocfs2_xattr_find_entry() Description =========== In the Linux kernel, the following vulnerability has been resolved: ocfs2: add bounds checking to ocfs2_xattr_find_entry() Add a paranoia check to make sure it doesn't stray beyond valid memory region containing ocfs2 xattr entries when scanning for a match. It will prevent out-of-bound access in case of crafted images. The Linux kernel CVE team has assigned CVE-2024-47670 to this issue. Affected and fixed versions =========================== Fixed in 6.1.112 with commit 9b32539590a8 Fixed in 6.6.53 with commit 1f6e167d6753 Fixed in 6.10.12 with commit 8e7bef408261 Fixed in 6.11 with commit 9e3041fecdc8 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-2024-47670 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: fs/ocfs2/xattr.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/9b32539590a8e6400ac2f6e7cf9cbb8e08711a2f https://git.kernel.org/stable/c/1f6e167d6753fe3ea493cdc7f7de8d03147a4d39 https://git.kernel.org/stable/c/8e7bef408261746c160853fc27df3139659f5f77 https://git.kernel.org/stable/c/9e3041fecdc8f78a5900c3aa51d3d756e73264d6
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