| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen/blkfront: harden blkfront against event channel storms\n\nThe Xen blkfront driver is still vulnerable for an attack via excessive\nnumber of events sent by the backend. Fix that by using lateeoi event\nchannels.\n\nThis is part of XSA-391" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/block/xen-blkfront.c" |
| ], |
| "versions": [ |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "3e04b9e6aa7d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "25898389795b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "5ac3b68b79c9", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "269d7124bcfa", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "4ed9f5c511ce", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "8ac3b6ee7c9f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "caf9b51829a5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "0fd08a34e8e3", |
| "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/block/xen-blkfront.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.4.296", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.9.294", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.14.259", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.19.222", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.4.168", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.10.88", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.15.11", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.16", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/3e04b9e6aa7d77287e70a400be83060d2b7b2cfe" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/25898389795bd85d8e1520c0c75c3ad906c17da7" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5ac3b68b79c9e964dd6f3cf80ff825518e502b79" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/269d7124bcfad2558d2329d0fe603ca20b20d3f4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4ed9f5c511ce95cb8db05ff82026ea901f45fd76" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8ac3b6ee7c9ff2df7c99624bb1235e2e55623825" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/caf9b51829a50590b84daea924a0fd62d32bc952" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0fd08a34e8e3b67ec9bd8287ac0facf8374b844a" |
| } |
| ], |
| "title": "xen/blkfront: harden blkfront against event channel storms", |
| "x_generator": { |
| "engine": "bippy-a5840b7849dd" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47573", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
