What’s Vulnerable › Vulnerabilities

CVE-2022-49952: misc: fastrpc: fix memory corruption on probe

• 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 probe Add the missing sanity check on the probed-session count to avoid corrupting memory beyond the fixed-size slab-allocated session array when there are more than FASTRPC_MAX_SESSIONS sessions defined in the devicetree.

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/0e33b0f322fecd7a92d9dc186535cdf97940a856
• https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5
• https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a
• https://git.kernel.org/stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336
• https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639

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