DEBIAN-CVE-2022-50434

Source
https://security-tracker.debian.org/tracker/CVE-2022-50434
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50434.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2022-50434
Upstream
Published
2025-10-01T12:15:35Z
Modified
2025-10-02T09:15:46.902740Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault injection test: unreferenced object 0xffff888132a9f400 (size 512): comm "insmod", pid 308021, jiffies 4324277909 (age 509.733s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 f4 a9 32 81 88 ff ff ...........2.... 08 f4 a9 32 81 88 ff ff 00 00 00 00 00 00 00 00 ...2............ backtrace: [<00000000e8952bb4>] kmallocnodetrace+0x22/0xa0 [<00000000f9980e0f>] blkmqallocandinithctx+0x3f1/0x7e0 [<000000002e719efa>] blkmqreallochwctxs+0x1e6/0x230 [<000000004f1fda40>] blkmqinitallocatedqueue+0x27e/0x910 [<00000000287123ec>] _blkmqallocdisk+0x67/0xf0 [<00000000a2a34657>] 0xffffffffa2ad310f [<00000000b173f718>] 0xffffffffa2af824a [<0000000095a1dabb>] dooneinitcall+0x87/0x2a0 [<00000000f32fdf93>] doinitmodule+0xdf/0x320 [<00000000cbe8541e>] loadmodule+0x3006/0x3390 [<0000000069ed1bdb>] _dosysfinitmodule+0x113/0x1b0 [<00000000a1a29ae8>] dosyscall64+0x35/0x80 [<000000009cd878b0>] entrySYSCALL64afterhwframe+0x46/0xb0 Fault injection context as follows: kobjectadd blkmqregisterhctx blkmqsysfsregister blkregisterqueue deviceadddisk nulladddev.part.0 [nullblk] As 'blkmqregisterhctx' may already add some objects when failed halfway, but there isn't do fallback, caller don't know which objects add failed. To solve above issue just do fallback when add objects failed halfway in 'blkmqregisterhctx'.

References

Affected packages

Debian:11 / 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
5.10.178-1

Affected versions

5.*

5.10.46-4
5.10.46-5
5.10.70-1~bpo10+1
5.10.70-1
5.10.84-1
5.10.92-1~bpo10+1
5.10.92-1
5.10.92-2
5.10.103-1~bpo10+1
5.10.103-1
5.10.106-1
5.10.113-1
5.10.120-1~bpo10+1
5.10.120-1
5.10.127-1
5.10.127-2~bpo10+1
5.10.127-2
5.10.136-1
5.10.140-1
5.10.148-1
5.10.149-1
5.10.149-2
5.10.158-1
5.10.158-2
5.10.162-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / 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
6.1.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

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
6.1.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / 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
6.1.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}