| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: keep alloc_hash updated after hash allocation\n\nIn commit 599be01ee567 (\"net_sched: fix an OOB access in cls_tcindex\")\nI moved cp->hash calculation before the first\ntcindex_alloc_perfect_hash(), but cp->alloc_hash is left untouched.\nThis difference could lead to another out of bound access.\n\ncp->alloc_hash should always be the size allocated, we should\nupdate it after this tcindex_alloc_perfect_hash()." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/sched/cls_tcindex.c" |
| ], |
| "versions": [ |
| { |
| "version": "73c29d2f6f8ae731b1e09051b69ed3ba2319482b", |
| "lessThan": "d6cdc5bb19b595486fb2e6661e5138d73a57f454", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b974ac51f5834a729de252fc5c1c9de9efd79b45", |
| "lessThan": "c4453d2833671e3a9f6bd52f0f581056c3736386", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6cb448ee493c8a514c9afa0c346f3f5b3227de85", |
| "lessThan": "9f8b6c44be178c2498a00b270872a6e30e7c8266", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "478c4b2ffd44e5186c7e22ae7c38a86a5b9cfde5", |
| "lessThan": "557d015ffb27b672e24e6ad141fd887783871dc2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "dd8142a6fa5270783d415292ec8169f4ea2a5468", |
| "lessThan": "d23faf32e577922b6da20bf3740625c1105381bf", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2c66ff8d08f81bcf8e8cb22e31e39c051b15336a", |
| "lessThan": "bd3ee8fb6371b45c71c9345cc359b94da2ddefa9", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "599be01ee567b61f4471ee8078870847d0a11e8e", |
| "lessThan": "0d1c3530e1bd38382edef72591b78e877e0edcd3", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/sched/cls_tcindex.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.4.214", |
| "lessThan": "4.4.218", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.214", |
| "lessThan": "4.9.218", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.171", |
| "lessThan": "4.14.175", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.103", |
| "lessThan": "4.19.114", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.19", |
| "lessThan": "5.4.29", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.5.3", |
| "lessThan": "5.5.14", |
| "status": "affected", |
| "versionType": "semver" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.4.214", |
| "versionEndExcluding": "4.4.218" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.9.214", |
| "versionEndExcluding": "4.9.218" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.14.171", |
| "versionEndExcluding": "4.14.175" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.103", |
| "versionEndExcluding": "4.19.114" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.19", |
| "versionEndExcluding": "5.4.29" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.5.3", |
| "versionEndExcluding": "5.5.14" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d6cdc5bb19b595486fb2e6661e5138d73a57f454" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c4453d2833671e3a9f6bd52f0f581056c3736386" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9f8b6c44be178c2498a00b270872a6e30e7c8266" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/557d015ffb27b672e24e6ad141fd887783871dc2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d23faf32e577922b6da20bf3740625c1105381bf" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/bd3ee8fb6371b45c71c9345cc359b94da2ddefa9" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0d1c3530e1bd38382edef72591b78e877e0edcd3" |
| }, |
| { |
| "url": "https://syzkaller.appspot.com/bug?id=ea260693da894e7b078d18fca2c9c0a19b457534" |
| }, |
| { |
| "url": "https://blog.cdthoughts.ch/2021/03/16/syzbot-bug.html" |
| } |
| ], |
| "title": "net_sched: keep alloc_hash updated after hash allocation", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2020-36791", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
