7.5

CVE-2006-1856: linux linux_kernel

Modified
Published 19-05-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-1856 is a high (CVSS 7.5) vulnerability in linux linux_kernel. EPSS estimates a 2.98% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
2.98%
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 2
DSA-1184-2RHSA-2006:0493

Timeline

  1. 19-05-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Certain modifications to the Linux kernel 2.6.16 and earlier do not add the appropriate Linux Security Modules (LSM) file_permission hooks to the (1) readv and (2) writev functions, which might allow attackers to bypass intended access restrictions.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.98%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.98% 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: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Linux1 product
  • linux_kernel2.6.0 | 2.6.0:test1 | 2.6.0:test10 | 2.6.0:test11 | 2.6.0:test2 | 2.6.0:test3 | 2.6.0:test4 | 2.6.0:test5 | 2.6.0:test6 | 2.6.0:test7 | 2.6.0:test8 | 2.6.0:test9 | 2.6.1 | 2.6.1:rc1 | 2.6.1:rc2 | 2.6.2 | 2.6.3 | 2.6.4 | 2.6.5 | 2.6.6 | 2.6.6:rc1 | 2.6.7 | 2.6.7:rc1 | 2.6.8 | 2.6.8:rc1 | 2.6.8:rc2 | 2.6.8:rc3 | 2.6.9:2.6.20 | 2.6.10 | 2.6.10:rc2 | 2.6.11 | 2.6.11:rc2 | 2.6.11:rc3 | 2.6.11:rc4 | 2.6.11.5 | 2.6.11.6 | 2.6.11.7 | 2.6.11.8 | 2.6.11.11 | 2.6.11.12 | 2.6.12:rc1 | 2.6.12:rc4 | 2.6.12:rc5 | 2.6.12.1 | 2.6.12.2 | 2.6.12.3 | 2.6.12.4 | 2.6.12.5 | 2.6.12.6 | 2.6.13 | 2.6.13:rc1 | 2.6.13:rc4 | 2.6.13:rc6 | 2.6.13:rc7 | 2.6.13.1 | 2.6.13.2 | 2.6.13.3 | 2.6.13.4 | 2.6.14 | 2.6.14:rc1 | 2.6.14:rc2 | 2.6.14:rc3 | 2.6.14:rc4 | 2.6.14.1 | 2.6.14.2 | 2.6.14.3 | 2.6.14.4 | 2.6.14.5 | 2.6.15 | 2.6.15:rc1 | 2.6.15:rc3 | 2.6.15.1 | 2.6.15.2 | 2.6.15.3 | 2.6.15.4 | 2.6.15.5 | 2.6.16 | 2.6_test9_cvs

1 vendor · 1 product

References

16 links
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