CVE-2022-3111: Null Pointer Dereference
First published: Tue Dec 13 2022(Updated: )
[Suggested description] An issue was discovered in the Linux kernel through 5.16-rc6. free_charger_irq() in drivers/power/supply/wm8350_power.c lacks free of WM8350_IRQ_CHG_FAST_RDY, which is registered in wm8350_init_charger(). ------------------------------------------ [VulnerabilityType Other] Missing Release of Resource after Effective Lifetime ------------------------------------------ [Vendor of Product] the development group ------------------------------------------ [Affected Product Code Base] Linux kernel - 5.16-rc6 ------------------------------------------ [Reference] <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=6dee930f6f6776d1e5a7edf542c6863b47d9f078">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=6dee930f6f6776d1e5a7edf542c6863b47d9f078</a> ------------------------------------------ [Discoverer] Jiasheng Jiang
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.18 | 5.18 |
| Linux Kernel | <5.16.0 | |
| Linux Kernel | =5.16.0 | |
| Linux Kernel | =5.16.0-rc1 | |
| Linux Kernel | =5.16.0-rc2 | |
| Linux Kernel | =5.16.0-rc3 | |
| Linux Kernel | =5.16.0-rc4 | |
| Linux Kernel | =5.16.0-rc5 | |
| Linux Kernel | =5.16.0-rc6 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2153059
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=6dee930f6f6776d1e5a7edf542c6863b47d9f078
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=6dee930f6f6776d1e5a7edf542c6863b47d9f078
- https://launchpad.net/bugs/cve/CVE-2022-3111
- https://github.com/torvalds/linux/commit/6dee930f6f6776d1e5a7edf542c6863b47d9f078
- https://access.redhat.com/security/cve/cve-2022-3111
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3111
- https://nvd.nist.gov/vuln/detail/CVE-2022-3111
- https://security-tracker.debian.org/tracker/CVE-2022-3111
- https://ubuntu.com/security/CVE-2022-3111
- https://git.kernel.org/linus/6dee930f6f6776d1e5a7edf542c6863b47d9f078
Frequently Asked Questions
What is the severity of CVE-2022-3111?
CVE-2022-3111 has a moderate severity level due to a potential denial of service condition.
How do I fix CVE-2022-3111?
To fix CVE-2022-3111, upgrade the Linux kernel to version 5.18 or later.
Which versions of the Linux kernel are affected by CVE-2022-3111?
CVE-2022-3111 affects Linux kernel versions up to 5.16-rc6.
What component of the Linux kernel is affected by CVE-2022-3111?
CVE-2022-3111 affects the free_charger_irq() function within the drivers/power/supply/wm8350_power.c.
Is there a workaround for CVE-2022-3111?
There are no specific workarounds for CVE-2022-3111 other than applying the necessary kernel updates.
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