CVE-2023-3159: Use After Free
First published: Mon Jun 12 2023(Updated: )
A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.18 | |
| Linux Kernel | =5.18 | |
| Linux Kernel | =5.18-rc1 | |
| Linux Kernel | =5.18-rc2 | |
| Linux Kernel | =5.18-rc3 | |
| Linux Kernel | =5.18-rc4 | |
| Linux Kernel | =5.18-rc5 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
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Reference Links
- https://github.com/torvalds/linux/commit/b7c81f80246fac44077166f3e07103affe6db8ff
- https://launchpad.net/bugs/cve/CVE-2023-3159
- https://git/kernel.org/linus/b7c81f80246fac44077166f3e07103affe6db8ff
- https://security-tracker.debian.org/tracker/CVE-2023-3159
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3159
- https://nvd.nist.gov/vuln/detail/CVE-2023-3159
- https://ubuntu.com/security/CVE-2023-3159
Frequently Asked Questions
What is the severity of CVE-2023-3159?
CVE-2023-3159 is classified as a high severity vulnerability due to the potential for local attackers to exploit it.
How do I fix CVE-2023-3159?
To fix CVE-2023-3159, upgrade to the patched versions of Linux Kernel, such as 5.10.223-1 or 6.1.123-1.
Which versions of Linux Kernel are affected by CVE-2023-3159?
CVE-2023-3159 affects Linux Kernel versions up to 5.18, including specific release candidates.
Can remote attackers exploit CVE-2023-3159?
No, CVE-2023-3159 can only be exploited by local attackers with special privileges.
What type of issue is CVE-2023-3159?
CVE-2023-3159 is characterized as a use after free vulnerability in the FireWire driver of the Linux Kernel.
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