CVE-2022-49952

misc: fastrpc: fix memory corruption on probe

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

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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 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

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

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 rc16.0 rc26.0 rc3f6f9279f2bf0e37e2f1fb119d8832b8568536a04
Vendor states this is fixed in 0e33b0f322fecd7a92d9dc186535cdf97940a856 (fixed)
Vendor states this is fixed in 9baa1415d9abdd1e08362ea2dcfadfacee8690b5 (fixed)
Vendor states this is fixed in c0425c2facd9166fa083f90c9f3187ace0c7837a (fixed)
Vendor states this is fixed in c99bc901d5eb9fbdd7bd39f625e170ce97390336 (fixed)
Vendor states this is fixed in ec186b9f4aa2e6444d5308a6cc268aada7007639 (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)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0e33b0f322fecd7a92d9dc186535cdf97940a856
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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