CVE & CISA-KEV Catalog

CVE-2020-35519

HIGH
7.8
CVSS v3
NVD

Description

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

How to fix

Remediation Available
linuxDebian
Fixed in:5.9.15-1CVE-2020-35519
Fixed in:5.9.15-1CVE-2020-35519
Fixed in:5.9.15-1CVE-2020-35519
Fixed in:5.9.15-1CVE-2020-35519
linux-image-5.6.0-1056-oemUbuntu
Fixed in:5.6.0-1056.60USN-4947-1
linux-image-oem-20.04Ubuntu
Fixed in:5.6.0.1056.52USN-4947-1
linux-oem-5.6Ubuntu
Fixed in:5.6.0-1056.60USN-4947-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.41%probability of exploitation in 30 days
33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.