| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-36966", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
