| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: Fix NULL pointer dereference in object->file\n\nAt present, the object->file has the NULL pointer dereference problem in\nondemand-mode. The root cause is that the allocated fd and object->file\nlifetime are inconsistent, and the user-space invocation to anon_fd uses\nobject->file. Following is the process that triggers the issue:\n\n\t [write fd]\t\t\t\t[umount]\ncachefiles_ondemand_fd_write_iter\n\t\t\t\t fscache_cookie_state_machine\n\t\t\t\t\t cachefiles_withdraw_cookie\n if (!file) return -ENOBUFS\n\t\t\t\t\t cachefiles_clean_up_object\n\t\t\t\t\t cachefiles_unmark_inode_in_use\n\t\t\t\t\t fput(object->file)\n\t\t\t\t\t object->file = NULL\n // file NULL pointer dereference!\n __cachefiles_write(..., file, ...)\n\nFix this issue by add an additional reference count to the object->file\nbefore write/llseek, and decrement after it finished." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/cachefiles/interface.c", |
| "fs/cachefiles/ondemand.c" |
| ], |
| "versions": [ |
| { |
| "version": "c8383054506c77b814489c09877b5db83fd4abf2", |
| "lessThan": "d6bba3ece960129a553d4b16f1b00c884dc0993a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c8383054506c77b814489c09877b5db83fd4abf2", |
| "lessThan": "785408bbafcfa24c9fc5b251f03fd0780ce182bd", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c8383054506c77b814489c09877b5db83fd4abf2", |
| "lessThan": "f98770440c9bc468e2fd878212ec9526dbe08293", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c8383054506c77b814489c09877b5db83fd4abf2", |
| "lessThan": "9582c7664103c9043e80a78f5c382aa6bdd67418", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c8383054506c77b814489c09877b5db83fd4abf2", |
| "lessThan": "31ad74b20227ce6b40910ff78b1c604e42975cf1", |
| "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/cachefiles/interface.c", |
| "fs/cachefiles/ondemand.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.19", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.19", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.129", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.78", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.11", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.2", |
| "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": "5.19", |
| "versionEndExcluding": "6.1.129" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.6.78" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.11.11" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.12.2" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d6bba3ece960129a553d4b16f1b00c884dc0993a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/785408bbafcfa24c9fc5b251f03fd0780ce182bd" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f98770440c9bc468e2fd878212ec9526dbe08293" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9582c7664103c9043e80a78f5c382aa6bdd67418" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/31ad74b20227ce6b40910ff78b1c604e42975cf1" |
| } |
| ], |
| "title": "cachefiles: Fix NULL pointer dereference in object->file", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-56549", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
