{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-57942","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-01-19T11:50:08.378Z","datePublished":"2025-01-21T12:18:10.532Z","dateUpdated":"2025-05-04T10:07:09.915Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T10:07:09.915Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix ceph copy to cache on write-begin\n\nAt the end of netfs_unlock_read_folio() in which folios are marked\nappropriately for copying to the cache (either with by being marked dirty\nand having their private data set or by having PG_private_2 set) and then\nunlocked, the folio_queue struct has the entry pointing to the folio\ncleared.  This presents a problem for netfs_pgpriv2_write_to_the_cache(),\nwhich is used to write folios marked with PG_private_2 to the cache as it\nexpects to be able to trawl the folio_queue list thereafter to find the\nrelevant folios, leading to a hang.\n\nFix this by not clearing the folio_queue entry if we're going to do the\ndeprecated copy-to-cache.  The clearance will be done instead as the folios\nare written to the cache.\n\nThis can be reproduced by starting cachefiles, mounting a ceph filesystem\nwith \"-o fsc\" and writing to it."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/read_collect.c"],"versions":[{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","lessThan":"43b8d3249b0b71bad239d42dbe08ce6c938ba000","status":"affected","versionType":"git"},{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","lessThan":"38cf8e945721ffe708fa675507465da7f4f2a9f7","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/netfs/read_collect.c"],"versions":[{"version":"6.12","status":"affected"},{"version":"0","lessThan":"6.12","status":"unaffected","versionType":"semver"},{"version":"6.12.10","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13","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":"6.12","versionEndExcluding":"6.12.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/43b8d3249b0b71bad239d42dbe08ce6c938ba000"},{"url":"https://git.kernel.org/stable/c/38cf8e945721ffe708fa675507465da7f4f2a9f7"}],"title":"netfs: Fix ceph copy to cache on write-begin","x_generator":{"engine":"bippy-1.2.0"}}}}