CVE-2023-1078
First published: Mon Mar 27 2023(Updated: )
A flaw was found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info` actually points to something else that is potentially controlled by local user. It is known how to trigger this, which causes an out of bounds access, and a lock corruption.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.17<4.19.273 | |
| Linux Kernel | >=4.20<5.4.232 | |
| Linux Kernel | >=5.5<5.10.168 | |
| Linux Kernel | >=5.11<5.15.94 | |
| Linux Kernel | >=5.16<6.1.12 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f753a68980cf4b59a80fe677619da2b1804f526d
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://security.netapp.com/advisory/ntap-20230505-0004/
- http://www.openwall.com/lists/oss-security/2023/11/05/1
- https://launchpad.net/bugs/cve/CVE-2023-1078
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1078
- https://nvd.nist.gov/vuln/detail/CVE-2023-1078
- https://security-tracker.debian.org/tracker/CVE-2023-1078
- https://ubuntu.com/security/CVE-2023-1078
- https://git.kernel.org/linus/f753a68980cf4b59a80fe677619da2b1804f526d
Frequently Asked Questions
What is the severity of CVE-2023-1078?
CVE-2023-1078 is considered a high severity vulnerability due to its potential for local exploitation.
How do I fix CVE-2023-1078?
To fix CVE-2023-1078, upgrade your Linux Kernel to a version that is patched, such as 5.10.223-1 or later.
Who is affected by CVE-2023-1078?
CVE-2023-1078 affects local users running vulnerable versions of the Linux Kernel that utilize the RDS protocol.
What components are involved in CVE-2023-1078?
CVE-2023-1078 involves a flaw in the RDS (Reliable Datagram Sockets) protocol within the Linux Kernel.
What could happen if CVE-2023-1078 is exploited?
Exploitation of CVE-2023-1078 could lead to type confusion vulnerabilities affecting memory management and data integrity.
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