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Message-ID: <2025050234-CVE-2023-53131-b288@gregkh> Date: Fri, 2 May 2025 17:56:36 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-53131: SUNRPC: Fix a server shutdown leak From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a server shutdown leak Fix a race where kthread_stop() may prevent the threadfn from ever getting called. If that happens the svc_rqst will not be cleaned up. The Linux kernel CVE team has assigned CVE-2023-53131 to this issue. Affected and fixed versions =========================== Issue introduced in 4.12 with commit ed6473ddc704a2005b9900ca08e236ebb2d8540a and fixed in 5.10.175 with commit ce7dd61e004002bc1c48d1ca47c887f3f3cc7370 Issue introduced in 4.12 with commit ed6473ddc704a2005b9900ca08e236ebb2d8540a and fixed in 5.15.103 with commit ad7e40ee157ba33950a4ccdc284334580da3638d Issue introduced in 4.12 with commit ed6473ddc704a2005b9900ca08e236ebb2d8540a and fixed in 6.1.20 with commit 7a3720361068ab520aed4608bad31ea9a6cc7fe7 Issue introduced in 4.12 with commit ed6473ddc704a2005b9900ca08e236ebb2d8540a and fixed in 6.2.7 with commit f74b3286859463cd63cc9d4aeaabd8b0c640182a Issue introduced in 4.12 with commit ed6473ddc704a2005b9900ca08e236ebb2d8540a and fixed in 6.3 with commit 9ca6705d9d609441d34f8b853e1e4a6369b3b171 Issue introduced in 4.9.52 with commit f609266b12d214437cf9d68245dc27f8d4f69836 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-2023-53131 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/sunrpc/svc.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/ce7dd61e004002bc1c48d1ca47c887f3f3cc7370 https://git.kernel.org/stable/c/ad7e40ee157ba33950a4ccdc284334580da3638d https://git.kernel.org/stable/c/7a3720361068ab520aed4608bad31ea9a6cc7fe7 https://git.kernel.org/stable/c/f74b3286859463cd63cc9d4aeaabd8b0c640182a https://git.kernel.org/stable/c/9ca6705d9d609441d34f8b853e1e4a6369b3b171
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