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CVE-2022-45919

Good to know:

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Date: November 26, 2022

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.

Language: C

Severity Score

Related Resources (8)

https://security.netapp.com/advisory/ntap-20230113-0008/
https://nvd.nist.gov/vuln/detail/CVE-2022-45919
https://lore.kernel.org/linux-media/20221121063308.GA33821@ubuntu/T/#u
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=280a8ab81733da8bc442253c700a52c4c0886ffd
https://security-tracker.debian.org/tracker/CVE-2022-45919
https://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#u
https://access.redhat.com/security/cve/CVE-2022-45919
https://www.mend.io/vulnerability-database/CVE-2022-45919

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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