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Date: Fri, 17 May 2024 14:02:29 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-27429: netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser Description =========== In the Linux kernel, the following vulnerability has been resolved: netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser We need to protect the reader reading the sysctl value because the value can be changed concurrently. The Linux kernel CVE team has assigned CVE-2024-27429 to this issue. Affected and fixed versions =========================== Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 4.19.310 with commit e3a3718b1723 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.4.272 with commit 1e84b108f2a7 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.10.213 with commit 18c95d11c347 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.15.152 with commit b3f0bc3a315c Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.1.82 with commit e439607291c0 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.6.22 with commit 7e1e25891f09 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.7.10 with commit 591192c3a9fc Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.8 with commit cfd9f4a740f7 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-2024-27429 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/e3a3718b1723253d4f068e88e81d880d71f1a1e9 https://git.kernel.org/stable/c/1e84b108f2a71daa8d04032e4d2096522376debb https://git.kernel.org/stable/c/18c95d11c347a12e5c31df1325cef6b995d14ecf https://git.kernel.org/stable/c/b3f0bc3a315cf1af03673a0163c08fe037587acd https://git.kernel.org/stable/c/e439607291c082332e1e35baf8faf8552e6bcb4a https://git.kernel.org/stable/c/7e1e25891f090e24a871451c9403abac63cb45dd https://git.kernel.org/stable/c/591192c3a9fc728a0af7b9dd50bf121220062293 https://git.kernel.org/stable/c/cfd9f4a740f772298308b2e6070d2c744fb5cf79
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