| { |
| "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: caif: Fix use-after-free in cfusbl_device_notify()\n\nsyzbot reported use-after-free in cfusbl_device_notify() [1]. This\ncauses a stack trace like below:\n\nBUG: KASAN: use-after-free in cfusbl_device_notify+0x7c9/0x870 net/caif/caif_usb.c:138\nRead of size 8 at addr ffff88807ac4e6f0 by task kworker/u4:6/1214\n\nCPU: 0 PID: 1214 Comm: kworker/u4:6 Not tainted 5.19.0-rc3-syzkaller-00146-g92f20ff72066 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: netns cleanup_net\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_address_description.constprop.0.cold+0xeb/0x467 mm/kasan/report.c:313\n print_report mm/kasan/report.c:429 [inline]\n kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491\n cfusbl_device_notify+0x7c9/0x870 net/caif/caif_usb.c:138\n notifier_call_chain+0xb5/0x200 kernel/notifier.c:87\n call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1945\n call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]\n call_netdevice_notifiers net/core/dev.c:1997 [inline]\n netdev_wait_allrefs_any net/core/dev.c:10227 [inline]\n netdev_run_todo+0xbc0/0x10f0 net/core/dev.c:10341\n default_device_exit_batch+0x44e/0x590 net/core/dev.c:11334\n ops_exit_list+0x125/0x170 net/core/net_namespace.c:167\n cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594\n process_one_work+0x996/0x1610 kernel/workqueue.c:2289\n worker_thread+0x665/0x1080 kernel/workqueue.c:2436\n kthread+0x2e9/0x3a0 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302\n </TASK>\n\nWhen unregistering a net device, unregister_netdevice_many_notify()\nsets the device's reg_state to NETREG_UNREGISTERING, calls notifiers\nwith NETDEV_UNREGISTER, and adds the device to the todo list.\n\nLater on, devices in the todo list are processed by netdev_run_todo().\nnetdev_run_todo() waits devices' reference count become 1 while\nrebdoadcasting NETDEV_UNREGISTER notification.\n\nWhen cfusbl_device_notify() is called with NETDEV_UNREGISTER multiple\ntimes, the parent device might be freed. This could cause UAF.\nProcessing NETDEV_UNREGISTER multiple times also causes inbalance of\nreference count for the module.\n\nThis patch fixes the issue by accepting only first NETDEV_UNREGISTER\nnotification." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/caif/caif_usb.c" |
| ], |
| "versions": [ |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "68a45c3cf0e2242a533657f4f535d9b6a7447a79", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "1793da97a23e31c5bf06631f3f3e5a25f368fd64", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "9dc16be373b382ddd4c274052a6e870a95e76c01", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "c3aaec463a632cf4187dc017e421bfa69d7834a9", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "3f14457e1584224f4296af613bbd99deb60b5d91", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "287027d8a567168a5d8ce5cb0cba16a34791a48c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "d1a11bbdbb5ea9f172019c5a4a3e9d8eabd72179", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", |
| "lessThan": "9781e98a97110f5e76999058368b4be76a788484", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/caif/caif_usb.c" |
| ], |
| "versions": [ |
| { |
| "version": "3.3", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "3.3", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.310", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.278", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.237", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.175", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.103", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.20", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.2.7", |
| "lessThanOrEqual": "6.2.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.3", |
| "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": "3.3", |
| "versionEndExcluding": "4.14.310" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "4.19.278" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.4.237" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.10.175" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.15.103" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.1.20" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.2.7" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.3" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/68a45c3cf0e2242a533657f4f535d9b6a7447a79" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/1793da97a23e31c5bf06631f3f3e5a25f368fd64" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9dc16be373b382ddd4c274052a6e870a95e76c01" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c3aaec463a632cf4187dc017e421bfa69d7834a9" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3f14457e1584224f4296af613bbd99deb60b5d91" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/287027d8a567168a5d8ce5cb0cba16a34791a48c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d1a11bbdbb5ea9f172019c5a4a3e9d8eabd72179" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9781e98a97110f5e76999058368b4be76a788484" |
| } |
| ], |
| "title": "net: caif: Fix use-after-free in cfusbl_device_notify()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2023-53138", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
