What’s Vulnerable › Vulnerabilities

CVE-2022-49950: misc: fastrpc: fix memory corruption on open

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-08-04
• Weakness: CWE-787

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 products

• Linux kernel: from 5.1 before 5.4.213; from 5.5 before 5.10.142; from 5.11 before 5.15.66; from 5.16 before 5.19.8; 6.0-rc1, 6.0-rc2, 6.0-rc3 — fixed in 5.10.142, 5.15.66, 5.19.8, 5.4.213

How to fix

Upgrade to a fixed version: Linux kernel 5.10.142, 5.15.66, 5.19.8, 5.4.213. Check the vendor advisory for mitigations.

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

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