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Date: Fri, 17 May 2024 14:02:28 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-27428: netrom: Fix data-races around sysctl_netrom_network_ttl_initialiser Description =========== In the Linux kernel, the following vulnerability has been resolved: netrom: Fix data-races around sysctl_netrom_network_ttl_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-2024-27428 to this issue. Affected and fixed versions =========================== Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 4.19.310 with commit acc653e8a3aa Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.4.272 with commit eda02a0bed55 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.10.213 with commit d1261bde59a3 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 5.15.152 with commit 775ed3549819 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.1.82 with commit a47d68d777b4 Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.6.22 with commit 5731369af2de Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.7.10 with commit dca1d93fe42f Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.8 with commit 119cae5ea3f9 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-2024-27428 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_dev.c net/netrom/nr_out.c net/netrom/nr_subr.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/acc653e8a3aaab1b7103f98645f2cce7be89e3d3 https://git.kernel.org/stable/c/eda02a0bed550f07a8283d3e1f25b90a38e151ed https://git.kernel.org/stable/c/d1261bde59a3a087ab0c81181821e194278d9264 https://git.kernel.org/stable/c/775ed3549819f814a6ecef5726d2b4c23f249b77 https://git.kernel.org/stable/c/a47d68d777b41862757b7e3051f2d46d6e25f87b https://git.kernel.org/stable/c/5731369af2de21695fe7c1c91fe134fabe5b33b8 https://git.kernel.org/stable/c/dca1d93fe42fb9c42b66f61714fbdc55c87eb002 https://git.kernel.org/stable/c/119cae5ea3f9e35cdada8e572cc067f072fa825a
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