4.9

CVE-2007-2525: linux linux_kernel

Modified
Published 08-05-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-2525 is a medium (CVSS 4.9) vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 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 6
DSA-1356-1DSA-1503-1DSA-1503-2DSA-1504-1RHSA-2007:0376RHSA-2007:0488

Timeline

  1. 08-05-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Memory leak in the PPP over Ethernet (PPPoE) socket implementation in the Linux kernel before 2.6.21-git8 allows local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.40% 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, no authentication (CVSS vector). Other conditions: not stated in public data.

Linux1 product

1 vendor · 1 product

References

30 links
Show all 30 references