CVE-2023-1670: Use After Free
First published: Thu Mar 30 2023(Updated: )
A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=2.6.18<4.14.312 | |
| Linux Kernel | >=4.15<4.19.280 | |
| Linux Kernel | >=4.20<5.4.240 | |
| Linux Kernel | >=5.5<5.10.177 | |
| Linux Kernel | >=5.11<5.15.105 | |
| Linux Kernel | >=5.16<6.1.22 | |
| Linux Kernel | >=6.2<6.2.9 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lore.kernel.org/all/20230316161526.1568982-1-zyytlz.wz@163.com/
- https://security.netapp.com/advisory/ntap-20230526-0010/
- https://launchpad.net/bugs/cve/CVE-2023-1670
- https://lore.kernel.org/all/20230316161526.1568982-1-zyytlz.wz%40163.com/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1670
- https://nvd.nist.gov/vuln/detail/CVE-2023-1670
- https://security-tracker.debian.org/tracker/CVE-2023-1670
- https://ubuntu.com/security/CVE-2023-1670
- https://git.kernel.org/linus/e8d20c3ded59a092532513c9bd030d1ea66f5f44
Frequently Asked Questions
What is the severity of CVE-2023-1670?
CVE-2023-1670 is considered a high severity vulnerability due to its potential to crash systems and escalate user privileges.
How do I fix CVE-2023-1670?
To fix CVE-2023-1670, update the Linux kernel to a version that includes the security patch, such as 5.10.223-1 or newer.
Which versions of Linux Kernel are affected by CVE-2023-1670?
CVE-2023-1670 affects specific versions of the Linux kernel between 2.6.18 to 6.2.9.
Can CVE-2023-1670 be exploited remotely?
CVE-2023-1670 is a local privilege escalation vulnerability and cannot be exploited remotely.
What is the potential impact of exploiting CVE-2023-1670?
Exploiting CVE-2023-1670 may allow a local user to crash the system or gain elevated privileges, leading to a system compromise.
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