{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-52672","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-07T14:49:46.886Z","datePublished":"2024-05-17T14:02:10.308Z","dateUpdated":"2026-05-11T19:31:26.508Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:31:26.508Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npipe: wakeup wr_wait after setting max_usage\n\nCommit c73be61cede5 (\"pipe: Add general notification queue support\") a\nregression was introduced that would lock up resized pipes under certain\nconditions. See the reproducer in [1].\n\nThe commit resizing the pipe ring size was moved to a different\nfunction, doing that moved the wakeup for pipe->wr_wait before actually\nraising pipe->max_usage. If a pipe was full before the resize occured it\nwould result in the wakeup never actually triggering pipe_write.\n\nSet @max_usage and @nr_accounted before waking writers if this isn't a\nwatch queue.\n\n[Christian Brauner <brauner@kernel.org>: rewrite to account for watch queues]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/pipe.c"],"versions":[{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8","status":"affected","versionType":"git"},{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"3efbd114b91525bb095b8ae046382197d92126b9","status":"affected","versionType":"git"},{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"b87a1229d8668fbc78ebd9ca0fc797a76001c60f","status":"affected","versionType":"git"},{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"68e51bdb1194f11d3452525b99c98aff6f837b24","status":"affected","versionType":"git"},{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"6fb70694f8d1ac34e45246b0ac988f025e1e5b55","status":"affected","versionType":"git"},{"version":"c73be61cede5882f9605a852414db559c0ebedfd","lessThan":"e95aada4cb93d42e25c30a0ef9eb2923d9711d4a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/pipe.c"],"versions":[{"version":"5.8","status":"affected"},{"version":"0","lessThan":"5.8","status":"unaffected","versionType":"semver"},{"version":"5.10.210","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.149","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.76","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.15","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.3","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.1.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.6.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8"},{"url":"https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9"},{"url":"https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f"},{"url":"https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24"},{"url":"https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55"},{"url":"https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a"}],"title":"pipe: wakeup wr_wait after setting max_usage","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource 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Container","references":[{"url":"https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]}]}]},"dataVersion":"5.2"}