| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: fix monitor mode crash with sdio driver\n\nmt7921s driver may receive frames with fragment buffers. If there is a\nCTS packet received in monitor mode, the payload is 10 bytes only and\nneed 6 bytes header padding after RXD buffer. However, only RXD in the\nfirst linear buffer, if we pull buffer size RXD-size+6 bytes with\nskb_pull(), that would trigger \"BUG_ON(skb->len < skb->data_len)\" in\n__skb_pull().\n\nTo avoid the nonlinear buffer issue, enlarge the RXD size from 128 to\n256 to make sure all MCU operation in linear buffer.\n\n[ 52.007562] kernel BUG at include/linux/skbuff.h:2313!\n[ 52.007578] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP\n[ 52.007987] pc : skb_pull+0x48/0x4c\n[ 52.008015] lr : mt7921_queue_rx_skb+0x494/0x890 [mt7921_common]\n[ 52.008361] Call trace:\n[ 52.008377] skb_pull+0x48/0x4c\n[ 52.008400] mt76s_net_worker+0x134/0x1b0 [mt76_sdio 35339a92c6eb7d4bbcc806a1d22f56365565135c]\n[ 52.008431] __mt76_worker_fn+0xe8/0x170 [mt76 ef716597d11a77150bc07e3fdd68eeb0f9b56917]\n[ 52.008449] kthread+0x148/0x3ac\n[ 52.008466] ret_from_fork+0x10/0x30" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/wireless/mediatek/mt76/mt76.h" |
| ], |
| "versions": [ |
| { |
| "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa", |
| "lessThan": "13946d5a68efd11dd6af2f6ef4c908f6b00158a5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa", |
| "lessThan": "c37b4cab3d97ef64b206fca4d9daabd9aff7356e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa", |
| "lessThan": "95e2af01669c7a3cb7a933cefa06361f9db15059", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa", |
| "lessThan": "123bc712b1de0805f9d683687e17b1ec2aba0b68", |
| "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/net/wireless/mediatek/mt76/mt76.h" |
| ], |
| "versions": [ |
| { |
| "version": "4.16", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.16", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.34", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.16.20", |
| "lessThanOrEqual": "5.16.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.17.3", |
| "lessThanOrEqual": "5.17.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.18", |
| "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": "4.16", |
| "versionEndExcluding": "5.15.34" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.16.20" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.17.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.18" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/13946d5a68efd11dd6af2f6ef4c908f6b00158a5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c37b4cab3d97ef64b206fca4d9daabd9aff7356e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/95e2af01669c7a3cb7a933cefa06361f9db15059" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/123bc712b1de0805f9d683687e17b1ec2aba0b68" |
| } |
| ], |
| "title": "mt76: fix monitor mode crash with sdio driver", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49112", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
