CVE-2022-49950

misc: fastrpc: fix memory corruption on open

HIGH

7.8

CVSS Score

Published: June 18, 2025 at 11:00 AM UTC

Updated: August 5, 2026 at 09:24 AM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.1 ≤ v < 5.10.1425.1 ≤ v < 5.15.665.1 ≤ v < 5.19.85.1 ≤ v < 5.4.2135.1 ≤ v < 6.05.11 ≤ v < 5.15.665.16 ≤ v < 5.19.85.5 ≤ v < 5.10.1426.0 rc1 6.0 rc2 6.0 rc3f6f9279f2bf0e37e2f1fb119d8832b8568536a04

Vendor states this is fixed in 5cf2a57c7a01a0d7bdecf875a63682f542891b1b (fixed)

Vendor states this is fixed in cf20c3533efc89578ace94fa20a9e63446223c72 (fixed)

Vendor states this is fixed in d245f43aab2b61195d8ebb64cef7b5a08c590ab4 (fixed)

Vendor states this is fixed in e0578e603065f120a8759b75e0d6c216c7078a39 (fixed)

Vendor states this is fixed in f8632b8bb53ebc005d8f24a68a0c1f9678c0e908 (fixed)

Vendor states this is fixed in 5.1 (unaffected)

Vendor states this is fixed in 5.10.142 (unaffected)

Vendor states this is fixed in 5.15.66 (unaffected)

Vendor states this is fixed in 5.19.8 (unaffected)

Vendor states this is fixed in 5.4.213 (unaffected)

Vendor states this is fixed in 6.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references