CVE-2020-25211: debian debian_linux

Modified

AliasesRHSA-2021:0003RHSA-2021:0004RHSA-2021:0189+2 more

Published 09-09-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-25211 is a medium (CVSS 6.0) vulnerability in debian debian_linux. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 47% of scored vulnerabilities. 1 public exploit is recorded.

Priority

Routine

Not severe (CVSS 6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

6.0/10

010

Medium · v3.1 (NVD)

EPSS score

0.57%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits1reference

Timeline

09-09-2020
PublishedVulnerability first disclosed.
04-08-2024
Last modifiedVulnerability information updated.

Description

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

CVSS metrics

5 scores · 4 sources · 2 versions

v3.16.0v2.03.6

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.57% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found

referenceUnverified
Exploit Reference (git.kernel.org)
Maturity: unknown

Weaknesses

CWE · root cause

CWE-120Buffer Copy without Checking Size of InputThe product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected systems

Version check

Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat69 products

bpftool< 0:4.18.0-240.10.1.el8_3
bpftool-debuginfo< 0:4.18.0-240.10.1.el8_3
kernel< 0:4.18.0-240.10.1.el8_3
kernel-abi-whitelists< 0:4.18.0-240.10.1.el8_3
kernel-core< 0:4.18.0-240.10.1.el8_3

kernel-debug< 0:4.18.0-240.10.1.el8_3
kernel-debug-core< 0:4.18.0-240.10.1.el8_3
kernel-debug-debuginfo< 0:4.18.0-240.10.1.el8_3
kernel-debug-devel< 0:4.18.0-240.10.1.el8_3
kernel-debug-modules< 0:4.18.0-240.10.1.el8_3
kernel-debug-modules-extra< 0:4.18.0-240.10.1.el8_3
kernel-debuginfo< 0:4.18.0-240.10.1.el8_3
kernel-debuginfo-common-aarch64< 0:4.18.0-240.10.1.el8_3
kernel-debuginfo-common-ppc64le< 0:4.18.0-240.10.1.el8_3
kernel-debuginfo-common-s390x< 0:4.18.0-240.10.1.el8_3
kernel-debuginfo-common-x86_64< 0:4.18.0-240.10.1.el8_3
kernel-devel< 0:4.18.0-240.10.1.el8_3
kernel-doc< 0:4.18.0-240.10.1.el8_3
kernel-modules< 0:4.18.0-240.10.1.el8_3
kernel-modules-extra< 0:4.18.0-240.10.1.el8_3
kernel-rt< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-core< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-core< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-debuginfo< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-devel< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-kvm< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-modules< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debug-modules-extra< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debuginfo< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-debuginfo-common-x86_64< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-devel< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-kvm< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-modules< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-rt-modules-extra< 0:4.18.0-240.10.1.rt7.64.el8_3
kernel-tools< 0:4.18.0-240.10.1.el8_3
kernel-tools-debuginfo< 0:4.18.0-240.10.1.el8_3
kernel-tools-libs< 0:4.18.0-240.10.1.el8_3
kernel-tools-libs-devel< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump-core< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump-debuginfo< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump-devel< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump-modules< 0:4.18.0-240.10.1.el8_3
kernel-zfcpdump-modules-extra< 0:4.18.0-240.10.1.el8_3
kpatch-patch-4_18_0-147_13_2< 0:1-6.el8_1
kpatch-patch-4_18_0-147_13_2-debuginfo< 0:1-6.el8_1
kpatch-patch-4_18_0-147_13_2-debugsource< 0:1-6.el8_1
kpatch-patch-4_18_0-147_20_1< 0:1-5.el8_1
kpatch-patch-4_18_0-147_20_1-debuginfo< 0:1-5.el8_1
kpatch-patch-4_18_0-147_20_1-debugsource< 0:1-5.el8_1
kpatch-patch-4_18_0-147_24_2< 0:1-3.el8_1
kpatch-patch-4_18_0-147_24_2-debuginfo< 0:1-3.el8_1
kpatch-patch-4_18_0-147_24_2-debugsource< 0:1-3.el8_1
kpatch-patch-4_18_0-147_27_1< 0:1-3.el8_1
kpatch-patch-4_18_0-147_27_1-debuginfo< 0:1-3.el8_1
kpatch-patch-4_18_0-147_27_1-debugsource< 0:1-3.el8_1
kpatch-patch-4_18_0-147_32_1< 0:1-1.el8_1
kpatch-patch-4_18_0-147_32_1-debuginfo< 0:1-1.el8_1
kpatch-patch-4_18_0-147_32_1-debugsource< 0:1-1.el8_1
kpatch-patch-4_18_0-147_34_1< 0:1-1.el8_1
kpatch-patch-4_18_0-147_34_1-debuginfo< 0:1-1.el8_1
kpatch-patch-4_18_0-147_34_1-debugsource< 0:1-1.el8_1
kpatch-patch-4_18_0-147_5_1< 0:1-10.el8_1
kpatch-patch-4_18_0-147_8_1< 0:1-8.el8_1
perf< 0:4.18.0-240.10.1.el8_3
perf-debuginfo< 0:4.18.0-240.10.1.el8_3
python3-perf< 0:4.18.0-240.10.1.el8_3
python3-perf-debuginfo< 0:4.18.0-240.10.1.el8_3

Show all 69

Ubuntu43 products

linuxAll versions (No fix recorded) | < 4.4.0-197.229 | < 4.15.0-126.129 | < 5.4.0-56.62
linux-aws< 4.4.0-1082.86 | < 4.4.0-1118.132 | < 4.15.0-1088.93 | < 5.4.0-1030.31
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1030.31~18.04.1