CVE-2009-4307

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 13 Dec 2009, 01:00
Last modified:07 Aug 2024, 07:01

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7.1 HIGH
v2.0 (nvd)
EPSS Score
3.36% LOW
3% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

13 Dec 2009, 01:00
Published
Vulnerability first disclosed
07 Aug 2024, 07:01
Last Modified
Vulnerability information updated

Description

The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).

CVSS Metrics

  • v2.0•HIGH•Score: 7.1AV:N/AC:M/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 3.36%• Percentile: 88%

Techniques & Countermeasures

  • CWE-189•Numeric Errors

    Weaknesses in this category are related to improper calculation or conversion of numbers.

Affected Systems

  • linux•linux_kernel

    ≤ 2.6.32 | 2.6.0 | 2.6.1 | 2.6.2 | 2.6.3 | 2.6.4 | 2.6.5 | 2.6.6 | 2.6.7 | 2.6.8 | 2.6.8.1 | 2.6.9 | 2.6.10 | 2.6.11 | 2.6.11.1 | 2.6.11.2 | 2.6.11.3 | 2.6.11.4 | 2.6.11.5 | 2.6.11.6 | 2.6.11.7 | 2.6.11.8 | 2.6.11.9 | 2.6.11.10 | 2.6.11.11 | 2.6.11.12 | 2.6.12 | 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 | 2.6.13.1 | 2.6.13.2 | 2.6.13.3 | 2.6.13.4 | 2.6.13.5 | 2.6.14 | 2.6.14.1 | 2.6.14.2 | 2.6.14.3 | 2.6.14.4 | 2.6.14.5 | 2.6.14.6 | 2.6.14.7 | 2.6.15 | 2.6.15.1 | 2.6.15.2 | 2.6.15.3 | 2.6.15.4 | 2.6.15.5 | 2.6.15.6 | 2.6.15.7 | 2.6.16 | 2.6.16.1 | 2.6.16.2 | 2.6.16.3 | 2.6.16.4 | 2.6.16.5 | 2.6.16.6 | 2.6.16.7 | 2.6.16.8 | 2.6.16.9 | 2.6.16.10 | 2.6.16.11 | 2.6.16.12 | 2.6.16.13 | 2.6.16.14 | 2.6.16.15 | 2.6.16.16 | 2.6.16.17 | 2.6.16.18 | 2.6.16.19 | 2.6.16.20 | 2.6.16.21 | 2.6.16.22 | 2.6.16.23 | 2.6.16.24 | 2.6.16.25 | 2.6.16.26 | 2.6.16.27 | 2.6.16.28 | 2.6.16.29 | 2.6.16.30 | 2.6.16.31 | 2.6.16.32 | 2.6.16.33 | 2.6.16.34 | 2.6.16.35 | 2.6.16.36 | 2.6.16.37 | 2.6.16.38 | 2.6.16.39 | 2.6.16.40 | 2.6.16.41 | 2.6.16.42 | 2.6.16.43 | 2.6.16.44 | 2.6.16.45 | 2.6.16.46 | 2.6.16.47 | 2.6.16.48 | 2.6.16.49 | 2.6.16.50 | 2.6.16.51 | 2.6.16.52 | 2.6.16.53 | 2.6.16.54 | 2.6.16.55 | 2.6.16.56 | 2.6.16.57 | 2.6.16.58 | 2.6.16.59 | 2.6.16.60 | 2.6.16.61 | 2.6.16.62 | 2.6.17 | 2.6.17.1 | 2.6.17.2 | 2.6.17.3 | 2.6.17.4 | 2.6.17.5 | 2.6.17.6 | 2.6.17.7 | 2.6.17.8 | 2.6.17.9 | 2.6.17.10 | 2.6.17.11 | 2.6.17.12 | 2.6.17.13 | 2.6.17.14 | 2.6.18 | 2.6.18.1 | 2.6.18.2 | 2.6.18.3 | 2.6.18.4 | 2.6.18.5 | 2.6.18.6 | 2.6.18.7 | 2.6.18.8 | 2.6.19 | 2.6.19.1 | 2.6.19.2 | 2.6.19.3 | 2.6.19.4 | 2.6.19.5 | 2.6.19.6 | 2.6.19.7 | 2.6.20 | 2.6.20.1 | 2.6.20.2 | 2.6.20.3 | 2.6.20.4 | 2.6.20.5 | 2.6.20.6 | 2.6.20.7 | 2.6.20.8 | 2.6.20.9 | 2.6.20.10 | 2.6.20.11 | 2.6.20.12 | 2.6.20.13 | 2.6.20.14 | 2.6.20.15 | 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 | 2.6.21.1 | 2.6.21.2 | 2.6.21.3 | 2.6.21.4 | 2.6.21.5 | 2.6.21.6 | 2.6.21.7 | 2.6.22 | 2.6.22.1 | 2.6.22.2 | 2.6.22.3 | 2.6.22.4 | 2.6.22.5 | 2.6.22.6 | 2.6.22.7 | 2.6.22.8 | 2.6.22.9 | 2.6.22.10 | 2.6.22.11 | 2.6.22.12 | 2.6.22.13 | 2.6.22.14 | 2.6.22.15 | 2.6.22.16 | 2.6.22.17 | 2.6.22.18 | 2.6.22.19 | 2.6.23 | 2.6.23.1 | 2.6.23.2 | 2.6.23.3 | 2.6.23.4 | 2.6.23.5 | 2.6.23.6 | 2.6.23.7 | 2.6.23.8 | 2.6.23.9 | 2.6.23.10 | 2.6.23.11 | 2.6.23.12 | 2.6.23.13 | 2.6.23.14 | 2.6.23.15 | 2.6.23.16 | 2.6.23.17 | 2.6.24 | 2.6.24.1 | 2.6.24.2 | 2.6.24.3 | 2.6.24.4 | 2.6.24.5 | 2.6.24.6 | 2.6.24.7 | 2.6.25 | 2.6.25.1 | 2.6.25.2 | 2.6.25.3 | 2.6.25.4 | 2.6.25.5 | 2.6.25.6 | 2.6.25.7 | 2.6.25.8 | 2.6.25.9 | 2.6.25.10 | 2.6.25.11 | 2.6.25.12 | 2.6.25.13 | 2.6.25.14 | 2.6.25.15 | 2.6.25.16 | 2.6.25.17 | 2.6.25.18 | 2.6.25.19 | 2.6.25.20 | 2.6.26 | 2.6.26.1 | 2.6.26.2 | 2.6.26.3 | 2.6.26.4 | 2.6.26.5 | 2.6.26.6 | 2.6.26.7 | 2.6.26.8 | 2.6.27 | 2.6.27.1 | 2.6.27.2 | 2.6.27.3 | 2.6.27.4 | 2.6.27.5 | 2.6.27.6 | 2.6.27.7 | 2.6.27.8 | 2.6.27.9 | 2.6.27.10 | 2.6.27.11 | 2.6.27.12 | 2.6.27.13 | 2.6.27.14 | 2.6.27.15 | 2.6.27.16 | 2.6.27.17 | 2.6.27.18 | 2.6.27.19 | 2.6.27.20 | 2.6.27.21 | 2.6.27.22 | 2.6.27.23 | 2.6.27.24 | 2.6.27.25 | 2.6.27.26 | 2.6.27.27 | 2.6.27.28 | 2.6.27.29 | 2.6.27.30 | 2.6.27.31 | 2.6.28 | 2.6.28.1 | 2.6.28.2 | 2.6.28.3 | 2.6.28.4 | 2.6.28.5 | 2.6.28.6 | 2.6.28.7 | 2.6.28.8 | 2.6.28.9 | 2.6.28.10 | 2.6.29 | 2.6.29.1 | 2.6.29.2 | 2.6.29.3 | 2.6.29.4 | 2.6.29.5 | 2.6.29.6 | 2.6.30 | 2.6.30:rc7-git6 | 2.6.30.1 | 2.6.30.2 | 2.6.30.3 | 2.6.30.4 | 2.6.30.5 | 2.6.30.6 | 2.6.30.7 | 2.6.30.8 | 2.6.30.9 | 2.6.31 | 2.6.31:rc1 | 2.6.31:rc2 | 2.6.31:rc3 | 2.6.31:rc4 | 2.6.31:rc5 | 2.6.31:rc6 | 2.6.31:rc7 | 2.6.31:rc8 | 2.6.31.1 | 2.6.31.2 | 2.6.31.3 | 2.6.31.4 | 2.6.31.5 | 2.6.31.6

References (12)