Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the…
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the Linux kernel before 3.7.10 allows local users to gain privileges via a large family value in a Netlink message.
Why it matters now
EPSS 0.04057 90th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.3 to before 3.4.34; 3.5 to before 3.7.10; 3.8 to before 3.8.1 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.3 to before 3.4.34; 3.5 to before 3.7.10; 3.8 to before 3.8.1 Vulnerable ·Linux
Remediation
Red Hat 1 advisory
- RHSA-2013:0622 Released 2013-03-11 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.6.11-rt30.25.el6rt, kernel-rt-debug-3.6.11-rt30.25.el6rt, kernel-rt-debug-devel-3.6.11-rt30.25.el6rt +8
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2013:0622 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1763
- 2026-10-03 Alias added: GHSA-xmh4-cqm8-6p2v
References
Other 5
- https://bugzilla.redhat.com/show_bug.cgi?id=915052
- [oss-security] 20130225 Re: CVE Request: kernel - sock_diag: Fix out-of-bounds access to sock_diag_handlers[]
- [oss-security] 20130224 Re: CVE Request: kernel - sock_diag: Fix out-of-bounds access to sock_diag_handlers[]
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6e601a53566d84e1ffd25e7b6fe0b6894ffd79c0
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2013-1763 · CVE Program
- CVE-2013-1763 · NVD
- FIRST EPSS
- GHSA-xmh4-cqm8-6p2v · GitHub Advisory Database · CC BY 4.0
- CVE-2013-1763 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences