MEDIUM
security flaw
Published Aug 4, 2005
5.5
MEDIUMCVSS 3.1
EPSS 0.38%
Description
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.
Affected products
No data.
Configuration 1
- 2.6.0
Configuration 2
- 3.1
No data.
Red Hat Enterprise Linux 3
kernel-0:2.4.21-37.EL
Fixed · RHSA-2005:663
Red Hat Enterprise Linux 4
kernel-0:2.6.9-22.EL
Fixed · RHSA-2005:514
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | kernel-0:2.4.21-37.EL | Fixed | RHSA-2005:663 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-22.EL | Fixed | RHSA-2005:514 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
2.1 LOW NVD
AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.38% 0.00375
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00375
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00375) | 29.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00375) | 29.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00068) | 18.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00126) | 48.89th | v3 (v2023.03.01) |
| Feb 9, 2024 | 0.13% (0.00126) | 45.99th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.09% (0.00092) | 38.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00185) | 54.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.15th | v2 (v2022.01.01) |
Weaknesses (1)
References (27)
- http://secunia.com/advisories/16298 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/16500 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17002 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17073 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17826 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/18056 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/18059 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.debian.org/security/2005/dsa-921 vendor-advisoryx_refsource_DEBIANMailing List
- http://www.debian.org/security/2005/dsa-922 vendor-advisoryx_refsource_DEBIANMailing List
- http://www.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 x_refsource_CONFIRMBroken Link
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a4f1bac62564049ea4718c4624b0fadc9f597c84 x_refsource_CONFIRMBroken Link
- http://www.mail-archive.com/netdev%40vger.kernel.org/msg00520.html x_refsource_MISCPatch
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:219 vendor-advisoryx_refsource_MANDRAKEPatchThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220 vendor-advisoryx_refsource_MANDRAKEPatchThird Party Advisory
- http://www.novell.com/linux/security/advisories/2005_50_kernel.html vendor-advisoryx_refsource_SUSEBroken Link
- http://www.redhat.com/support/errata/RHSA-2005-514.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2005-663.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/archive/1/427980/100/0/threaded vendor-advisoryx_refsource_FEDORABroken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/14477 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2005/1878 vdb-entryx_refsource_VUPENBroken Link
- https://access.redhat.com/security/cve/CVE-2005-2456 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617719 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21710 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2005-2456
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10858 vdb-entrysignaturex_refsource_OVALBroken Link
- https://usn.ubuntu.com/169-1/ vendor-advisoryx_refsource_UBUNTUBroken Link
- https://www.cve.org/CVERecord?id=CVE-2005-2456
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 4, 2005
Updated Aug 7, 2024
Reserved Aug 4, 2005
Link CVE-2005-2456
CISA Vulnrichment
Updated n/a