CVE-2024-50062: RDMA/rtrs-srv: Avoid null pointer deref during path establishment
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Avoid null pointer deref during path establishment For RTRS path establishment, RTRS client initiates and completes con_num of connections. After establishing all its connections, the information is exchanged between the client and server through the info_req message. During this exchange, it is essential that all connections have been established, and the state of the RTRS srv path is CONNECTED. So add these sanity checks, to make sure we detect and abort process in error scenarios to avoid null pointer deref.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.57 | |
| Linux Kernel | >=6.7<6.11.4 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/394b2f4d5e014820455af3eb5859eb328eaafcfd
- https://git.kernel.org/stable/c/b5d4076664465487a9a3d226756995b12fb73d71
- https://git.kernel.org/stable/c/b720792d7e8515bc695752e0ed5884e2ea34d12a
- https://git.kernel.org/stable/c/ccb8e44ae3e2391235f80ffc6be59bec6b889ead
- https://git.kernel.org/stable/c/d0e62bf7b575fbfe591f6f570e7595dd60a2f5eb
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50062
- https://nvd.nist.gov/vuln/detail/CVE-2024-50062
- https://launchpad.net/bugs/cve/CVE-2024-50062
- https://security-tracker.debian.org/tracker/CVE-2024-50062
- https://ubuntu.com/security/CVE-2024-50062
- https://git.kernel.org/linus/d0e62bf7b575fbfe591f6f570e7595dd60a2f5eb
Frequently Asked Questions
What is the severity of CVE-2024-50062?
CVE-2024-50062 has been classified as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2024-50062?
To resolve CVE-2024-50062, upgrade to kernel versions such as 6.1.123-1, 6.1.119-1, or apply the provided patches.
Which versions of the Linux kernel are affected by CVE-2024-50062?
CVE-2024-50062 affects Linux kernel versions up to 5.15.168 and from 5.16 to 6.1.113.
What is the impact of CVE-2024-50062 on system security?
CVE-2024-50062 may lead to a null pointer dereference which can be exploited during RDMA RTRS path establishment.
Is there a specific distribution that includes a fix for CVE-2024-50062?
Yes, Debian has released specific kernel versions that address CVE-2024-50062.
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