243 lines
12 KiB
JSON
243 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-80764",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-08-26T14:34:25.791Z",
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"datePublished": "2026-09-04T15:12:36.599Z",
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"dateUpdated": "2026-10-19T08:43:20.790Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-19T08:43:20.790Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_event: fix LE list UAF on reset\n\nhci_cc_reset() clears the LE accept and resolving lists without taking\nhdev->lock. Other command-complete handlers serialize updates to these\nlists with that lock, and the debugfs readers hold it while walking them.\n\nThis permits the reset completion and a debugfs read to interleave as\nfollows:\n\n hci_rx_work debugfs reader\n ----------- --------------\n lock hdev->lock\n fetch current entry\n list_del(entry)\n kfree(entry)\n read entry fields\n\nThe reader then dereferences a freed list entry and may follow its stale\nnext pointer.\n\nKASAN reported:\n\n BUG: KASAN: slab-use-after-free in white_list_show+0x15f/0x180\n Read of size 1 at addr ffff8881015dab16 by task poc/95\n\n Call Trace:\n white_list_show+0x15f/0x180\n seq_read_iter+0x3ff/0x1190\n seq_read+0x267/0x3d0\n vfs_read+0x177/0xa20\n ksys_read+0xf7/0x1c0\n\n Allocated by task 91:\n hci_bdaddr_list_add+0x1a6/0x3a0\n hci_cc_le_add_to_accept_list+0xab/0x140\n hci_cmd_complete_evt+0x26c/0x9a0\n hci_event_packet+0x454/0xb20\n hci_rx_work+0x293/0x730\n\n Freed by task 90:\n kfree+0x131/0x3c0\n hci_bdaddr_list_clear+0xd8/0x160\n hci_cc_reset+0x28a/0x370\n hci_cmd_complete_evt+0x26c/0x9a0\n hci_event_packet+0x454/0xb20\n hci_rx_work+0x293/0x730\n\nTake hdev->lock around both list clears. This matches the existing\nmutation and traversal locking convention."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/bluetooth/hci_event.c"
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],
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"versions": [
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "8e68c380290b1dd64a0a512ce66d0264130c46ed",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "0628cc9b2fa29985a7b8c774741f8a736b0f5e7c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "d57702d4c55633c243da5a2fec37ae2ad4adb621",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "39a3afb91be3cb465f46ce7a8e5696d9e33edf93",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "b55e83a4ba31d40deae22d4e4dc8c84083e953c6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "25b05e3ce31d954540e99954bcc66cbceb27ab35",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a4d5504d5c39cc84f1f828e19967595597a8136e",
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"lessThan": "33af47e847fe4a28b109673affb5874015d54f5a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "0de8cd646b0152c9ddd10257d8284938d0df0181",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3.18.3",
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"lessThan": "3.19",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/bluetooth/hci_event.c"
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],
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"versions": [
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{
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"version": "3.19",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "3.19",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.185",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.154",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.106",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.47",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1.11",
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"lessThanOrEqual": "7.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.1",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "6.1.185"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "6.6.154"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "6.12.106"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "6.18.47"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "7.1.11"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "7.2.1"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.19",
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"versionEndExcluding": "7.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.18.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/8e68c380290b1dd64a0a512ce66d0264130c46ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/0628cc9b2fa29985a7b8c774741f8a736b0f5e7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/d57702d4c55633c243da5a2fec37ae2ad4adb621"
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},
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{
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"url": "https://git.kernel.org/stable/c/39a3afb91be3cb465f46ce7a8e5696d9e33edf93"
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},
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{
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"url": "https://git.kernel.org/stable/c/b55e83a4ba31d40deae22d4e4dc8c84083e953c6"
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},
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{
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"url": "https://git.kernel.org/stable/c/25b05e3ce31d954540e99954bcc66cbceb27ab35"
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},
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{
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"url": "https://git.kernel.org/stable/c/33af47e847fe4a28b109673affb5874015d54f5a"
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}
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],
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"title": "Bluetooth: hci_event: fix LE list UAF on reset",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |