CVE-2023-52744
What it is
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix potential NULL-ptr-dereference in_dev_get() can return NULL which will cause a failure once idev is dereferenced in in_dev_for_each_ifa_rtnl(). This patch adds a check for NULL value in idev beforehand. Found by Linux Verification Center (linuxtesting.org) with SVACE.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Analyzed
Affected
- Linux Kernel < 5.15.94
- Linux Kernel < 6.1.12
- Linux Kernel 6.2
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-52744.md and follow it. Check whether this project is affected by CVE-2023-52744. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d
- https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e
- https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f
- https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d
- https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e
- https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f
References
- https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d
- https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e
- https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f
- https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d
- https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e
- https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f