Home/CVE/An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free
CVE

CVE-2022-45919

An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free

An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.

HIGH · CVSS 7 EPSS 0.00027
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

12
linux kernel>= 2.6.12 and < 4.14.317
linux kernel>= 4.15 and < 4.19.285
linux kernel>= 4.20 and < 5.4.246
linux kernel>= 5.5 and < 5.10.183
linux kernel>= 5.11 and < 5.15.116
linux kernel>= 5.16 and < 6.1.33
linux kernel>= 6.2 and < 6.3.7
netapp h410c firmwareall versions
▣

Scoring & Timeline

7
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Nov 2022 · 02:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

29
rhsaRHSA-2023:7539Low
rhsaRHSA-2023:7398Moderate
suse-csafopenSUSE-SU-2024:12994-1
suse-csafopenSUSE-SU-2024:13704-1
siemens-csafSSA-337522
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=280a8ab81733da8bc442253c700a52c4c0886ffd
https://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#uThird Party Advisory
https://security.netapp.com/advisory/ntap-20230113-0008/Third Party Advisory
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