CVE-2021-47612

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2021-47612
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47612.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47612
Related
Published
2024-06-19T15:15:55Z
Modified
2024-09-18T03:18:55.295120Z
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:

nfc: fix segfault in nfcgenldumpdevicesdone

When kmalloc in nfcgenldumpdevices() fails then nfcgenldumpdevices_done() segfaults as below

KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014 Workqueue: events netlinksockdestructwork RIP: 0010:klistiterexit+0x26/0x80 Call Trace: <TASK> classdeviterexit+0x15/0x20 nfcgenldumpdevicesdone+0x3b/0x50 genllockdone+0x84/0xd0 netlinksockdestruct+0x8f/0x270 _skdestruct+0x64/0x3b0 skdestruct+0xa8/0xd0 _skfree+0x2e8/0x3d0 skfree+0x51/0x90 netlinksockdestructwork+0x1c/0x20 processonework+0x411/0x710 workerthread+0x6fd/0xa80

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
5.10.92-1

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

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
5.15.15-1

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
5.15.15-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}