CVE-2023-53729

soc: qcom: qmi_encdec: Restrict string length in decode

HIGH
7.8
CVSS Score
Published: October 22, 2025 at 01:23 PM UTC
Updated: October 28, 2026 at 07:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of bounds access when the NULL character is appended in decoding.

Affected

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

4.169b8a11e82615274d4133aab3cf5aa1c59191f0a2
Vendor states this is fixed in 22ee7c9c7f381be178b4457bc54530002e08e938 (fixed)
Vendor states this is fixed in 2ccab9f82772ead618689d17dbc6950d6bd1e741 (fixed)
Vendor states this is fixed in 64c5e916fabe5ef7bef0210b8a59fa8941ee1b8e (fixed)
Vendor states this is fixed in 6b58859e7c4ac357517a59f0801e8ce1b58a8ee2 (fixed)
Vendor states this is fixed in 8d207400fd6b79c92aeb2f33bb79f62dff904ea2 (fixed)
Vendor states this is fixed in b2f39b813d1eed4a522428d1e6acd7dfe9b81579 (fixed)
Vendor states this is fixed in f6250ecb7fbb934b89539e7e2ba6c1d8555c0975 (fixed)
Vendor states this is fixed in 4.16 (unaffected)
Vendor states this is fixed in 4.19.295 (unaffected)
Vendor states this is fixed in 5.10.195 (unaffected)
Vendor states this is fixed in 5.15.132 (unaffected)
Vendor states this is fixed in 5.4.257 (unaffected)
Vendor states this is fixed in 6.1.54 (unaffected)
Vendor states this is fixed in 6.5.4 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusDEFERRED

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