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Date: Fri, 17 May 2024 14:02:30 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-27430: netrom: Fix a data-race around sysctl_netrom_default_path_quality Description =========== In the Linux kernel, the following vulnerability has been resolved: netrom: Fix a data-race around sysctl_netrom_default_path_quality We need to protect the reader reading sysctl_netrom_default_path_quality because the value can be changed concurrently. The Linux kernel CVE team has assigned CVE-2024-27430 to this issue. Affected and fixed versions =========================== Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 4.19.310 with commit 7644df766006 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.4.272 with commit 7f615232556f Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.10.213 with commit e041df5dc9e6 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.15.152 with commit bbc21f134b89 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.1.82 with commit dec82a8fc45c Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.6.22 with commit 7510b08c5f5b Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.7.10 with commit 392eb88416dc Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.8 with commit 958d6145a6d9 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-2024-27430 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/netrom/nr_route.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/7644df766006d4878a556e427e3ecc78c2d5606b https://git.kernel.org/stable/c/7f615232556f3c6e3eeecef96ef2b00d0aa905bb https://git.kernel.org/stable/c/e041df5dc9e68adffcba5499ca28e1252bed6f4b https://git.kernel.org/stable/c/bbc21f134b89535d1cf110c5f2b33ac54e5839c4 https://git.kernel.org/stable/c/dec82a8fc45c6ce494c2cb31f001a2aadb132b57 https://git.kernel.org/stable/c/7510b08c5f5ba15983da004b021fc6154eeb4047 https://git.kernel.org/stable/c/392eb88416dcbc5f1d61b9a88d79d78dc8b27652 https://git.kernel.org/stable/c/958d6145a6d9ba9e075c921aead8753fb91c9101
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