| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/rsrc: require cloned buffers to share accounting contexts\n\nWhen IORING_REGISTER_CLONE_BUFFERS is used to clone buffers from uring\ninstance A to uring instance B, where A and B use different MMs for\naccounting, the accounting can go wrong:\nIf uring instance A is closed before uring instance B, the pinned memory\ncounters for uring instance B will be decremented, even though the pinned\nmemory was originally accounted through uring instance A; so the MM of\nuring instance B can end up with negative locked memory." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "io_uring/rsrc.c" |
| ], |
| "versions": [ |
| { |
| "version": "7cc2a6eadcd7a5aa36ac63e6659f5c6138c7f4d2", |
| "lessThan": "efd96fbe23fa87de39116f632401f67b93be21ab", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7cc2a6eadcd7a5aa36ac63e6659f5c6138c7f4d2", |
| "lessThan": "cafc60ae35f82ebf156b3245f979ca61cbb8e42c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7cc2a6eadcd7a5aa36ac63e6659f5c6138c7f4d2", |
| "lessThan": "19d340a2988d4f3e673cded9dde405d727d7e248", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "io_uring/rsrc.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.12", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13.1", |
| "lessThanOrEqual": "6.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14", |
| "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": "6.12.12" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.13.1" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.14" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/efd96fbe23fa87de39116f632401f67b93be21ab" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/cafc60ae35f82ebf156b3245f979ca61cbb8e42c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/19d340a2988d4f3e673cded9dde405d727d7e248" |
| } |
| ], |
| "title": "io_uring/rsrc: require cloned buffers to share accounting contexts", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-21686", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
