CVE-2022-49950
What it is
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on open The probe session-duplication overflow check incremented the session count also when there were no more available sessions so that memory beyond the fixed-size slab-allocated session array could be corrupted in fastrpc_session_alloc() on open().
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.3% 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: 0.3% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Linux Kernel < 5.4.213
- Linux Kernel < 5.10.142
- Linux Kernel < 5.15.66
- Linux Kernel < 5.19.8
- Linux Kernel 6.0
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/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-2022-49950.md and follow it. Check whether this project is affected by CVE-2022-49950. 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/5cf2a57c7a01a0d7bdecf875a63682f542891b1b
- https://git.kernel.org/stable/c/cf20c3533efc89578ace94fa20a9e63446223c72
- https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4
- https://git.kernel.org/stable/c/e0578e603065f120a8759b75e0d6c216c7078a39
- https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908
References
- https://git.kernel.org/stable/c/5cf2a57c7a01a0d7bdecf875a63682f542891b1b
- https://git.kernel.org/stable/c/cf20c3533efc89578ace94fa20a9e63446223c72
- https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4
- https://git.kernel.org/stable/c/e0578e603065f120a8759b75e0d6c216c7078a39
- https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908