VulnerabilityModified
CVE-2009-4020
Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.
HIGH 7.8EPSS 4.76%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 4.76% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html
- http://marc.info/?l=linux-mm-commits&m=125987755823047&w=2
- http://secunia.com/advisories/38276
- http://secunia.com/advisories/39742
- http://support.avaya.com/css/P8/documents/100073666
- http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patchPatch
- http://www.debian.org/security/2010/dsa-2005
- http://www.novell.com/linux/security/advisories/2010_23_kernel.html
- http://www.openwall.com/lists/oss-security/2009/12/04/1
- https://bugzilla.redhat.com/show_bug.cgi?id=540736
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750
- https://rhn.redhat.com/errata/RHSA-2010-0046.html
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html
- http://marc.info/?l=linux-mm-commits&m=125987755823047&w=2
- http://secunia.com/advisories/38276
- http://secunia.com/advisories/39742
- http://support.avaya.com/css/P8/documents/100073666
- http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patchPatch
- http://www.debian.org/security/2010/dsa-2005
- http://www.novell.com/linux/security/advisories/2010_23_kernel.html
- http://www.openwall.com/lists/oss-security/2009/12/04/1
- https://bugzilla.redhat.com/show_bug.cgi?id=540736
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750
- https://rhn.redhat.com/errata/RHSA-2010-0046.html
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.