{"id":"CVE-2024-47733","state":"PUBLISHED","title":"netfs: Delete subtree of 'fs/netfs' when netfs module exits","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Delete subtree of 'fs/netfs' when netfs module exits\n\nIn netfs_init() or fscache_proc_init(), we create dentry under 'fs/netfs',\nbut in netfs_exit(), we only delete the proc entry of 'fs/netfs' without\ndeleting its subtree. This triggers the following WARNING:\n\n==================================================================\nremove_proc_entry: removing non-empty directory 'fs/netfs', leaking at least 'requests'\nWARNING: CPU: 4 PID: 566 at fs/proc/generic.c:717 remove_proc_entry+0x160/0x1c0\nModules linked in: netfs(-)\nCPU: 4 UID: 0 PID: 566 Comm: rmmod Not tainted 6.11.0-rc3 #860\nRIP: 0010:remove_proc_entry+0x160/0x1c0\nCall Trace:\n <TASK>\n netfs_exit+0x12/0x620 [netfs]\n __do_sys_delete_module.isra.0+0x14c/0x2e0\n do_syscall_64+0x4b/0x110\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n==================================================================\n\nTherefore use remove_proc_subtree() instead of remove_proc_entry() to\nfix the above problem.","publishedAt":"2024-10-21T12:14:04.544Z","updatedAt":"2026-05-11T20:39:41.859Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"603f95cefbee06a31b03137b777f03e3c2163d72","versionType":"git"},{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"7a9eaf97d56625e55b31a7beb558e1ee185ca461","versionType":"git"},{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"3c58a9575e02c2b90a3180007d57105ceaa7c246","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/main.c"]}],"references":["https://git.kernel.org/stable/c/603f95cefbee06a31b03137b777f03e3c2163d72","https://git.kernel.org/stable/c/7a9eaf97d56625e55b31a7beb558e1ee185ca461","https://git.kernel.org/stable/c/3c58a9575e02c2b90a3180007d57105ceaa7c246"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47733.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47733","state":"PUBLISHED","datePublished":"2024-10-21T12:14:04.544Z","dateUpdated":"2026-05-11T20:39:41.859Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-30T16:00:12.958Z"},"containers":{"cna":{"title":"netfs: Delete subtree of 'fs/netfs' when netfs module exits","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Delete subtree of 'fs/netfs' when netfs module exits\n\nIn netfs_init() or fscache_proc_init(), we create dentry under 'fs/netfs',\nbut in netfs_exit(), we only delete the proc entry of 'fs/netfs' without\ndeleting its subtree. This triggers the following WARNING:\n\n==================================================================\nremove_proc_entry: removing non-empty directory 'fs/netfs', leaking at least 'requests'\nWARNING: CPU: 4 PID: 566 at fs/proc/generic.c:717 remove_proc_entry+0x160/0x1c0\nModules linked in: netfs(-)\nCPU: 4 UID: 0 PID: 566 Comm: rmmod Not tainted 6.11.0-rc3 #860\nRIP: 0010:remove_proc_entry+0x160/0x1c0\nCall Trace:\n <TASK>\n netfs_exit+0x12/0x620 [netfs]\n __do_sys_delete_module.isra.0+0x14c/0x2e0\n do_syscall_64+0x4b/0x110\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n==================================================================\n\nTherefore use remove_proc_subtree() instead of remove_proc_entry() to\nfix the above problem."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"603f95cefbee06a31b03137b777f03e3c2163d72","versionType":"git"},{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"7a9eaf97d56625e55b31a7beb558e1ee185ca461","versionType":"git"},{"version":"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab","status":"affected","lessThan":"3c58a9575e02c2b90a3180007d57105ceaa7c246","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/603f95cefbee06a31b03137b777f03e3c2163d72"},{"url":"https://git.kernel.org/stable/c/7a9eaf97d56625e55b31a7beb558e1ee185ca461"},{"url":"https://git.kernel.org/stable/c/3c58a9575e02c2b90a3180007d57105ceaa7c246"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:39:41.859Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-47733","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-21T13:00:15.346668Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-21T13:04:15.617Z"}}]}}}