CVE-2022-49952

misc: fastrpc: fix memory corruption on probe

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 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.

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 ec186b9f4aa2e6444d5308a6cc268aada7007639Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before c99bc901d5eb9fbdd7bd39f625e170ce97390336Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 0e33b0f322fecd7a92d9dc186535cdf97940a856Affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before c0425c2facd9166fa083f90c9f3187ace0c7837aAffected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 9baa1415d9abdd1e08362ea2dcfadfacee8690b5Affected
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 ec186b9f4aa2e6444d5308a6cc268aada7007639Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before c99bc901d5eb9fbdd7bd39f625e170ce97390336Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 0e33b0f322fecd7a92d9dc186535cdf97940a856Affected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before c0425c2facd9166fa083f90c9f3187ace0c7837aAffected
f6f9279f2bf0e37e2f1fb119d8832b8568536a04 to before 9baa1415d9abdd1e08362ea2dcfadfacee8690b5Affected

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

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