5.5

CVE-2021-29264: debian debian_linux

Modified
AliasesUBUNTU-CVE-2021-29264DEBIAN-CVE-2021-29264
Published 26-03-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-29264 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 24 · Related 22
DLA-2690-1DLA-2940-1OPENSUSE-SU-2021:0532-1OPENSUSE-SU-2021:0758-1OPENSUSE-SU-2021:1975-1OPENSUSE-SU-2021:1977-1

Timeline

  1. 26-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel through 5.11.10. drivers/net/ethernet/freescale/gianfar.c in the Freescale Gianfar Ethernet driver allows attackers to cause a system crash because a negative fragment size is calculated in situations involving an rx queue overrun when jumbo packets are used and NAPI is enabled, aka CID-d8861bab48b6.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.27% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu48 products
  • linux< 4.15.0-143.147 | < 5.4.0-74.83
  • linux-aws< 4.15.0-1102.109 | < 5.4.0-1049.51
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.4< 5.4.0-1049.51~18.04.1
Debian2 products
Linux1 product

3 vendors · 51 products

References

10 links