The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before…
Priority MEDIUM 40CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.
Why it matters now
EPSS 0.04005 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 2.6.34.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:* | 2.6.35 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.35:rc1:*:*:*:*:*:* | 2.6.35 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:* | 2.6.35 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:* | 2.6.35 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:* | 2.6.35 rc4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.34.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:* Versions 2.6.35 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.35:rc1:*:*:*:*:*:* Versions 2.6.35 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:* Versions 2.6.35 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:* Versions 2.6.35 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:* Versions 2.6.35 rc4 Vulnerable ·Linux
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0709
- 2026-10-03 Alias added: GHSA-xg76-3pjj-pf64
References
Exploit 1
Patch 3
Advisory 1
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-2011-0709 · CVE Program
- CVE-2011-0709 · NVD
- FIRST EPSS
- GHSA-xg76-3pjj-pf64 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences