CVE-2005-2456
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6...
5.5 Medium
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
0.38%Down 1.8 points since Feb 4, 2022
What each source reports
NVD Score used
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.
- Record
CVE-2005-2456- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-667
- Updated
- 2026-11-02
CVE List No score
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.
- Record
CVE-2005-2456- Updated
- 2026-11-02
EUVDEUVD-2005-2457 No score
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.
- Record
EUVD-2005-2457- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2qg3-v24w-xhmx
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6...
Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.
- Record
GHSA-2qg3-v24w-xhmx- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-667
- Updated
- 2026-11-02
OSVBELL-CVE-2005-2456
CVE-2005-2456 does not affect BellSoft software
- Record
BELL-CVE-2005-2456- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel-source-2.4.27Debian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10sarge1, plus listed versions 2.4.27-10 |
2.4.27-10sarge1 |
kernel-image-2.4.27-alphaDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10sarge1, plus listed versions 2.4.27-10 |
2.4.27-10sarge1 |
kernel-patch-2.4.27-armDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-1sarge1, plus listed versions 2.4.27-1 |
2.4.27-1sarge1 |
kernel-image-2.4.27-armDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-2sarge1, plus listed versions 2.4.27-2 |
2.4.27-2sarge1 |
kernel-image-2.4.27-i386Debian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10sarge1, plus listed versions 2.4.27-10 |
2.4.27-10sarge1 |
kernel-image-2.4.27-ia64Debian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10sarge1, plus listed versions 2.4.27-10 |
2.4.27-10sarge1 |
kernel-image-2.4.27-m68kDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-3sarge1, plus listed versions 2.4.27-3 |
2.4.27-3sarge1 |
kernel-patch-2.4.27-mipsDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10.sarge1.040815-1, plus listed versions 2.4.27-10.040815-1 |
2.4.27-10.sarge1.040815-1 |
kernel-patch-powerpc-2.4.27Debian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-10sarge1, plus listed versions 2.4.27-10 |
2.4.27-10sarge1 |
kernel-image-2.4.27-s390Debian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-2sarge1, plus listed versions 2.4.27-2 |
2.4.27-2sarge1 |
Show 83 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-image-2.4.27-sparcDebian:3.1 From an advisory covering 12 CVEs |
before 2.4.27-9sarge1, plus listed versions 2.4.27-9 |
2.4.27-9sarge1 |
kernel-source-2.6.8Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-16sarge1, plus listed versions 2.6.8-16 |
2.6.8-16sarge1 |
kernel-image-2.6.8-alphaDebian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-16sarge1, plus listed versions 2.6.8-16 |
2.6.8-16sarge1 |
kernel-image-2.6.8-amd64Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-16sarge1, plus listed versions 2.6.8-14 |
2.6.8-16sarge1 |
kernel-image-2.6.8-hppaDebian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-6sarge1, plus listed versions 2.6.8-6 |
2.6.8-6sarge1 |
kernel-image-2.6.8-i386Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-16sarge1, plus listed versions 2.6.8-16 |
2.6.8-16sarge1 |
kernel-image-2.6.8-ia64Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-14sarge1, plus listed versions 2.6.8-14 |
2.6.8-14sarge1 |
kernel-image-2.6.8-m68kDebian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-4sarge1, plus listed versions 2.6.8-4 |
2.6.8-4sarge1 |
kernel-patch-powerpc-2.6.8Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-12sarge1, plus listed versions 2.6.8-12 |
2.6.8-12sarge1 |
kernel-image-2.6.8-s390Debian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-5sarge1, plus listed versions 2.6.8-5 |
2.6.8-5sarge1 |
kernel-image-2.6.8-sparcDebian:3.1 From an advisory covering 27 CVEs |
before 2.6.8-15sarge1, plus listed versions 2.6.8-15 |
2.6.8-15sarge1 |
kernelRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-develRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-docRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugememRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smpRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smp-develRed Hat:enterprise_linux:4::as From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernelRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-develRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-docRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugememRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smpRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smp-develRed Hat:enterprise_linux:4::desktop From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernelRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-develRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-docRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugememRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smpRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smp-develRed Hat:enterprise_linux:4::es From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernelRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-develRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-docRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugememRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smpRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernel-smp-develRed Hat:enterprise_linux:4::ws From an advisory covering 19 CVEs |
before 0:2.6.9-22.EL | 0:2.6.9-22.EL |
kernelRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-BOOTRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-docRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugememRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smpRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-sourceRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::as From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernelRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-BOOTRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-docRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugememRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smpRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-sourceRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::desktop From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernelRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-BOOTRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-docRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugememRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smpRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-sourceRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::es From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernelRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-BOOTRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-docRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugememRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smpRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-sourceRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::ws From an advisory covering 20 CVEs |
before 0:2.4.21-37.EL | 0:2.4.21-37.EL |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2005-2456 is a medium vulnerability (CVSS 5.5) in Debian Linux, published August 4, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.
References
novell.com/linux/security/advisories/2005_50_kernel.html
secunia.com/advisories/18056
usn.ubuntu.com/169-1
mandriva.com/security/advisories?name=MDKSA-2005:220
Show 194 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10858
debian.org/security/2005/dsa-922
exchange.xforce.ibmcloud.com/vulnerabilities/21710
securityfocus.com/bid/14477
mail-archive.com/netdev%40vger.kernel.org/msg00520.html
kernel.org/git?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=blobdiff%3Bh=8da3e25b2c4c1f305fd85428d3a9eb62b543bfba%3Bhp=ecade4893a139cc35d4fe345ce70242ede5358c4%3Bhb=a4f1bac62564049ea4718c4624b0fadc9f597c84%3Bf=net/xfrm/xfrm_user.c
redhat.com/support/errata/RHSA-2005-514.html
vupen.com/english/advisories/2005/1878
nvd.nist.gov/vuln/detail/CVE-2005-2456
github.com/advisories/GHSA-2qg3-v24w-xhmx
docs.bell-sw.com/security/cves/CVE-2005-2456
access.redhat.com/errata/RHSA-2005:514
bugzilla.redhat.com/show_bug.cgi?id=114578
security.access.redhat.com/data/csaf/v2/advisories/2005/rhsa-2005_514.json
cve.org/CVERecord?id=CVE-2005-0756
This page doesn't list everything
Left out here: 210 references. The JSON record has them.