7.8

CVE-2007-4567: linux linux_kernel Improper Input Validation

Modified
Published 21-12-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-4567 is a high (CVSS 7.8) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 14.34% chance of exploitation in the next 30 days, higher than 96.6% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (exploit-database, 19-12-2007)

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
14.34%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1exploit-database

Advisory lineage

Upstream 0 · Downstream 4

Timeline

  1. 21-12-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (NULL pointer dereference and kernel panic) via a crafted IPv6 packet.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

14.34%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

No change 0.00 pp

From 14.34% 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
  • exploit-databasedoslinuxVerified

    Linux Kernel 2.6.22 - IPv6 Hop-By-Hop Header Remote Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Linux1 product
  • linux_kernel≤ 2.6.21.7 | 2.2.27 | 2.4.36 | 2.4.36.1 | 2.4.36.2 | 2.4.36.3 | 2.4.36.4 | 2.4.36.5 | 2.4.36.6 | 2.6 | 2.6.18 | 2.6.18:rc1 | 2.6.18:rc2 | 2.6.18:rc3 | 2.6.18:rc4 | 2.6.18:rc5 | 2.6.18:rc6 | 2.6.18:rc7 | 2.6.19.4 | 2.6.19.5 | 2.6.19.6 | 2.6.19.7 | 2.6.20.16 | 2.6.20.17 | 2.6.20.18 | 2.6.20.19 | 2.6.20.20 | 2.6.20.21 | 2.6.21.5 | 2.6.21.6

1 vendor · 1 product

References

16 links
Show all 16 references