| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: custom_method: fix potential use-after-free issue\n\nIn cm_write(), buf is always freed when reaching the end of the\nfunction. If the requested count is less than table.length, the\nallocated buffer will be freed but subsequent calls to cm_write() will\nstill try to access it.\n\nRemove the unconditional kfree(buf) at the end of the function and\nset the buf to NULL in the -EINVAL error path to match the rest of\nfunction." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/acpi/custom_method.c" |
| ], |
| "versions": [ |
| { |
| "version": "4bda2b79a9d04c8ba31681c66e95877dbb433416", |
| "lessThan": "1d53ca5d131074c925ce38361fb0376d3bf7e394", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "5c12dadcbef8cd55ef1f5dac799bfcbb7ea7db1d", |
| "lessThan": "8b04d57f30caf76649d0567551589af9a66ca9be", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "35b88a10535edcf62d3e6b7893a8cd506ff98a24", |
| "lessThan": "90575d1d9311b753cf1718f4ce9061ddda7dfd23", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e4467fb6ef547aa352dc03397f9474ec84eced5b", |
| "lessThan": "a5b26a2e362f572d87e9fd35435680e557052a17", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "03d1571d9513369c17e6848476763ebbd10ec2cb", |
| "lessThan": "72814a94c38a33239793f7622cec6ace1e540c4b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "03d1571d9513369c17e6848476763ebbd10ec2cb", |
| "lessThan": "62dc2440ebb552aa0d7f635e1697e077d9d21203", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "03d1571d9513369c17e6848476763ebbd10ec2cb", |
| "lessThan": "f16737caf41fc06cfe6e49048becb09657074d4b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "03d1571d9513369c17e6848476763ebbd10ec2cb", |
| "lessThan": "b7a5baaae212a686ceb812c32fceed79c03c0234", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "03d1571d9513369c17e6848476763ebbd10ec2cb", |
| "lessThan": "e483bb9a991bdae29a0caa4b3a6d002c968f94aa", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "70424999fbf1f160ade111cb9baab51776e0f9c2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06cd4a06eb596a888239fb8ceb6ea15677cab396", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/acpi/custom_method.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.4", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.4", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.4.269", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.269", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.233", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.191", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.118", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.36", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.11.20", |
| "lessThanOrEqual": "5.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.3", |
| "lessThanOrEqual": "5.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13", |
| "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": "4.4.195", |
| "versionEndExcluding": "4.4.269" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.9.195", |
| "versionEndExcluding": "4.9.269" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.14.147", |
| "versionEndExcluding": "4.14.233" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.77", |
| "versionEndExcluding": "4.19.191" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.4.118" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.10.36" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.11.20" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.12.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.13" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.2.19" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3.4" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/1d53ca5d131074c925ce38361fb0376d3bf7e394" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8b04d57f30caf76649d0567551589af9a66ca9be" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/90575d1d9311b753cf1718f4ce9061ddda7dfd23" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a5b26a2e362f572d87e9fd35435680e557052a17" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/72814a94c38a33239793f7622cec6ace1e540c4b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/62dc2440ebb552aa0d7f635e1697e077d9d21203" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f16737caf41fc06cfe6e49048becb09657074d4b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b7a5baaae212a686ceb812c32fceed79c03c0234" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e483bb9a991bdae29a0caa4b3a6d002c968f94aa" |
| } |
| ], |
| "title": "ACPI: custom_method: fix potential use-after-free issue", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-46966", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |