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CVE-2022-45886

Good to know:

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Date: November 24, 2022

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

Language: C

Severity Score

Related Resources (10)

https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel%40gmail.com/
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4172385b0c9ac366dcab78eda48c26814b87ed1a
https://access.redhat.com/security/cve/CVE-2022-45886
https://security-tracker.debian.org/tracker/CVE-2022-45886
https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel@gmail.com/
https://nvd.nist.gov/vuln/detail/CVE-2022-45886
https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel@gmail.com/
https://security.netapp.com/advisory/ntap-20230113-0006/
https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
https://www.mend.io/vulnerability-database/CVE-2022-45886

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

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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