{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-36966","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-30T15:25:07.081Z","datePublished":"2024-06-08T12:52:59.148Z","dateUpdated":"2025-05-04T09:12:59.588Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:12:59.588Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: reliably distinguish block based and fscache mode\n\nWhen erofs_kill_sb() is called in block dev based mode, s_bdev may not\nhave been initialised yet, and if CONFIG_EROFS_FS_ONDEMAND is enabled,\nit will be mistaken for fscache mode, and then attempt to free an anon_dev\nthat has never been allocated, triggering the following warning:\n\n============================================\nida_free called for id=0 which is not allocated.\nWARNING: CPU: 14 PID: 926 at lib/idr.c:525 ida_free+0x134/0x140\nModules linked in:\nCPU: 14 PID: 926 Comm: mount Not tainted 6.9.0-rc3-dirty #630\nRIP: 0010:ida_free+0x134/0x140\nCall Trace:\n <TASK>\n erofs_kill_sb+0x81/0x90\n deactivate_locked_super+0x35/0x80\n get_tree_bdev+0x136/0x1e0\n vfs_get_tree+0x2c/0xf0\n do_new_mount+0x190/0x2f0\n [...]\n============================================\n\nNow when erofs_kill_sb() is called, erofs_sb_info must have been\ninitialised, so use sbi->fsid to distinguish between the two modes."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/super.c"],"versions":[{"version":"aca740cecbe57b12bd9c1fc632092af5ebacda0c","lessThan":"f9b877a7ee312ec8ce17598a7ef85cb820d7c371","status":"affected","versionType":"git"},{"version":"aca740cecbe57b12bd9c1fc632092af5ebacda0c","lessThan":"dcdd49701e429c55b3644fd70fc58d85745f8cfe","status":"affected","versionType":"git"},{"version":"aca740cecbe57b12bd9c1fc632092af5ebacda0c","lessThan":"7af2ae1b1531feab5d38ec9c8f472dc6cceb4606","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/erofs/super.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.6.32","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.8.11","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","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":"6.6","versionEndExcluding":"6.6.32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.8.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f9b877a7ee312ec8ce17598a7ef85cb820d7c371"},{"url":"https://git.kernel.org/stable/c/dcdd49701e429c55b3644fd70fc58d85745f8cfe"},{"url":"https://git.kernel.org/stable/c/7af2ae1b1531feab5d38ec9c8f472dc6cceb4606"}],"title":"erofs: reliably distinguish block based and fscache mode","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-12T19:01:23.136909Z","id":"CVE-2024-36966","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-12T19:01:35.258Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T03:43:50.363Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/f9b877a7ee312ec8ce17598a7ef85cb820d7c371","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/dcdd49701e429c55b3644fd70fc58d85745f8cfe","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7af2ae1b1531feab5d38ec9c8f472dc6cceb4606","tags":["x_transferred"]}]}]}}