CVE-2024-42294

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-42294
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42294.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-42294
Related
Published
2024-08-17T09:15:09Z
Modified
2024-09-18T03:26:34.454515Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

block: fix deadlock between sdremove & sdrelease

Our test report the following hung task:

[ 2538.459400] INFO: task "kworker/0:0":7 blocked for more than 188 seconds. [ 2538.459427] Call trace: [ 2538.459430] _switchto+0x174/0x338 [ 2538.459436] _schedule+0x628/0x9c4 [ 2538.459442] schedule+0x7c/0xe8 [ 2538.459447] schedulepreemptdisabled+0x24/0x40 [ 2538.459453] _mutexlock+0x3ec/0xf04 [ 2538.459456] _mutexlockslowpath+0x14/0x24 [ 2538.459459] mutexlock+0x30/0xd8 [ 2538.459462] delgendisk+0xdc/0x350 [ 2538.459466] sdremove+0x30/0x60 [ 2538.459470] devicereleasedriverinternal+0x1c4/0x2c4 [ 2538.459474] devicereleasedriver+0x18/0x28 [ 2538.459478] busremovedevice+0x15c/0x174 [ 2538.459483] devicedel+0x1d0/0x358 [ 2538.459488] _scsiremovedevice+0xa8/0x198 [ 2538.459493] scsiforgethost+0x50/0x70 [ 2538.459497] scsiremovehost+0x80/0x180 [ 2538.459502] usbstordisconnect+0x68/0xf4 [ 2538.459506] usbunbindinterface+0xd4/0x280 [ 2538.459510] devicereleasedriverinternal+0x1c4/0x2c4 [ 2538.459514] devicereleasedriver+0x18/0x28 [ 2538.459518] busremovedevice+0x15c/0x174 [ 2538.459523] devicedel+0x1d0/0x358 [ 2538.459528] usbdisabledevice+0x84/0x194 [ 2538.459532] usbdisconnect+0xec/0x300 [ 2538.459537] hubevent+0xb80/0x1870 [ 2538.459541] processscheduledworks+0x248/0x4dc [ 2538.459545] worker_thread+0x244/0x334 [ 2538.459549] kthread+0x114/0x1bc

[ 2538.461001] INFO: task "fsck.":15415 blocked for more than 188 seconds. [ 2538.461014] Call trace: [ 2538.461016] _switchto+0x174/0x338 [ 2538.461021] _schedule+0x628/0x9c4 [ 2538.461025] schedule+0x7c/0xe8 [ 2538.461030] blkqueueenter+0xc4/0x160 [ 2538.461034] blkmqallocrequest+0x120/0x1d4 [ 2538.461037] scsiexecutecmd+0x7c/0x23c [ 2538.461040] ioctlinternalcommand+0x5c/0x164 [ 2538.461046] scsisetmediumremoval+0x5c/0xb0 [ 2538.461051] sdrelease+0x50/0x94 [ 2538.461054] blkdevput+0x190/0x28c [ 2538.461058] blkdevrelease+0x28/0x40 [ 2538.461063] _fput+0xf8/0x2a8 [ 2538.461066] _fputsync+0x28/0x5c [ 2538.461070] _arm64sysclose+0x84/0xe8 [ 2538.461073] invokesyscall+0x58/0x114 [ 2538.461078] el0svccommon+0xac/0xe0 [ 2538.461082] doel0svc+0x1c/0x28 [ 2538.461087] el0svc+0x38/0x68 [ 2538.461090] el0t64synchandler+0x68/0xbc [ 2538.461093] el0t64_sync+0x1a8/0x1ac

T1: T2: sdremove delgendisk _blkmarkdiskdead blkfreezequeuestart ++q->mqfreezedepth bdevrelease mutexlock(&disk->openmutex) sdrelease scsiexecutecmd blkqueueenter waitevent(!q->mqfreezedepth) mutexlock(&disk->openmutex)

SCSI does not set GDOWNSQUEUE, so QUEUEFLAGDYING is not set in this scenario. This is a classic ABBA deadlock. To fix the deadlock, make sure we don't try to acquire disk->open_mutex after freezing the queue.

References

Affected packages

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.10.3-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4
6.1.52-1
6.1.55-1~bpo11+1
6.1.55-1
6.1.64-1
6.1.66-1
6.1.67-1
6.1.69-1~bpo11+1
6.1.69-1
6.1.76-1~bpo11+1
6.1.76-1
6.1.82-1
6.1.85-1
6.1.90-1~bpo11+1
6.1.90-1
6.1.94-1~bpo11+1
6.1.94-1
6.1.98-1
6.1.99-1
6.1.106-1
6.1.106-2
6.1.106-3
6.3.1-1~exp1
6.3.2-1~exp1
6.3.4-1~exp1
6.3.5-1~exp1
6.3.7-1~bpo12+1
6.3.7-1
6.3.11-1
6.4~rc6-1~exp1
6.4~rc7-1~exp1
6.4.1-1~exp1
6.4.4-1~bpo12+1
6.4.4-1
6.4.4-2
6.4.4-3~bpo12+1
6.4.4-3
6.4.11-1
6.4.13-1
6.5~rc4-1~exp1
6.5~rc6-1~exp1
6.5~rc7-1~exp1
6.5.1-1~exp1
6.5.3-1~bpo12+1
6.5.3-1
6.5.6-1
6.5.8-1
6.5.10-1~bpo12+1
6.5.10-1
6.5.13-1
6.6.3-1~exp1
6.6.4-1~exp1
6.6.7-1~exp1
6.6.8-1
6.6.9-1
6.6.11-1
6.6.13-1~bpo12+1
6.6.13-1
6.6.15-1
6.6.15-2
6.7-1~exp1
6.7.1-1~exp1
6.7.4-1~exp1
6.7.7-1
6.7.9-1
6.7.9-2
6.7.12-1~bpo12+1
6.7.12-1
6.8.9-1
6.8.11-1
6.8.12-1~bpo12+1
6.8.12-1
6.9.2-1~exp1
6.9.7-1~bpo12+1
6.9.7-1
6.9.8-1
6.9.9-1
6.9.10-1~bpo12+1
6.9.10-1
6.9.11-1
6.9.12-1
6.10-1~exp1
6.10.1-1~exp1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}