What’s Vulnerable › Vulnerabilities

CVE-2007-6762

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-27 · updated 2026-06-16
• Weakness: CWE-119

Description

In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.

Affected products

• Linux kernel: before 2.6.20 — fixed in 2.6.20

How to fix

Upgrade to a fixed version: Linux kernel 2.6.20. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a2f11c227bdf292b3a2900ad04139d301b56ac4
• https://github.com/torvalds/linux/commit/2a2f11c227bdf292b3a2900ad04139d301b56ac4
• https://mirrors.edge.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20
• https://support.f5.com/csp/article/K05342145
• https://support.f5.com/csp/article/K05342145?utm_source=f5support&amp%3Butm_medium=RSS
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a2f11c227bdf292b3a2900ad04139d301b56ac4
• https://github.com/torvalds/linux/commit/2a2f11c227bdf292b3a2900ad04139d301b56ac4
• https://mirrors.edge.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20
• https://support.f5.com/csp/article/K05342145
• https://support.f5.com/csp/article/K05342145?utm_source=f5support&amp%3Butm_medium=RSS

Get alerted when CVE-2007-6762 or the next vulnerability affects your stack