CVE-2023-52479
What it is
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.6% 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: 0.6% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Linux Kernel < 5.15.135
- Linux Kernel < 6.1.57
- Linux Kernel < 6.5.7
- Linux Kernel 6.6
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2023-52479.md and follow it. Check whether this project is affected by CVE-2023-52479. 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/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9
- https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9
References
- https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9
- https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9