CVE-2022-49950

misc: fastrpc: fix memory corruption on open

State: Published
Severity: 7.8 High
Published: Jun 18, 2025
Updated: Aug 5, 2026
Reserved: Jun 18, 2025

Description

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().

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before f8632b8bb53ebc005d8f24a68a0c1f9678c0e908Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 5cf2a57c7a01a0d7bdecf875a63682f542891b1bAffected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before cf20c3533efc89578ace94fa20a9e63446223c72Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before e0578e603065f120a8759b75e0d6c216c7078a39Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before d245f43aab2b61195d8ebb64cef7b5a08c590ab4Affected
LinuxLinux	5.1Affected before 5.1Not affected 5.4.213 through 5.4.Not affected 5.10.142 through 5.10.Not affected 5.15.66 through 5.15.Not affected 5.19.8 through 5.19.Not affected 6.0 and laterNot affected

Product

Versions

LinuxLinux

f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before f8632b8bb53ebc005d8f24a68a0c1f9678c0e908Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 5cf2a57c7a01a0d7bdecf875a63682f542891b1bAffected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before cf20c3533efc89578ace94fa20a9e63446223c72Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before e0578e603065f120a8759b75e0d6c216c7078a39Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before d245f43aab2b61195d8ebb64cef7b5a08c590ab4Affected

LinuxLinux

5.1Affected
before 5.1Not affected
5.4.213 through 5.4.*Not affected
5.10.142 through 5.10.*Not affected
5.15.66 through 5.15.*Not affected
5.19.8 through 5.19.*Not affected
6.0 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.