CVE-2022-49279

NFSD: prevent integer overflow on 32 bit systems

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 01:56 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent integer overflow on 32 bit systems On a 32 bit system, the "len * sizeof(*p)" operation can have an integer overflow.

Affected

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

v < 4.19.2384.17 ≤ v < 4.19.2384.17 ≤ v < 5.10.1104.17 ≤ v < 5.15.334.17 ≤ v < 5.16.194.17 ≤ v < 5.17.24.17 ≤ v < 5.184.17 ≤ v < 5.4.1894.20 ≤ v < 5.4.1895.11 ≤ v < 5.15.335.16 ≤ v < 5.16.195.17 ≤ v < 5.17.25.5 ≤ v < 5.10.11037c88763def8474bc0972fbd1adb0d21670104b74.17
Vendor states this is fixed in 23a9dbbe0faf124fc4c139615633b9d12a3a89ef (fixed)
Vendor states this is fixed in 303cd6173dce0a28d26526c77814eb90a41bd898 (fixed)
Vendor states this is fixed in 3a2789e8ccb4a3e2a631f6817a2d3bb98b8c4fd8 (fixed)
Vendor states this is fixed in 79b1c54fc6ce09ee0d5fe088bb3de26ae2150e3c (fixed)
Vendor states this is fixed in 7af164fa2f1abc577d357d22d83a2f3490875d7e (fixed)
Vendor states this is fixed in ce1aa09cc14ed625104acc2d487bd92b9a88efe2 (fixed)
Vendor states this is fixed in e4195d27306ea468a6dc3a27af6f586709951229 (fixed)
Vendor states this is fixed in 4.17 (unaffected)
Vendor states this is fixed in 4.19.238 (unaffected)
Vendor states this is fixed in 5.10.110 (unaffected)
Vendor states this is fixed in 5.15.33 (unaffected)
Vendor states this is fixed in 5.16.19 (unaffected)
Vendor states this is fixed in 5.17.2 (unaffected)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.4.189 (unaffected)

References (7)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/23a9dbbe0faf124fc4c139615633b9d12a3a89ef
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/303cd6173dce0a28d26526c77814eb90a41bd898
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3a2789e8ccb4a3e2a631f6817a2d3bb98b8c4fd8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/79b1c54fc6ce09ee0d5fe088bb3de26ae2150e3c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7af164fa2f1abc577d357d22d83a2f3490875d7e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ce1aa09cc14ed625104acc2d487bd92b9a88efe2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e4195d27306ea468a6dc3a27af6f586709951229

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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