Vulnerability Description
A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local privilege escalation (LPE). This allows the attacker to gain root privileges and take full control of the affected system.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:55764
- https://access.redhat.com/errata/RHSA-2026:55765
- https://access.redhat.com/security/cve/CVE-2026-17523
- https://bugzilla.redhat.com/show_bug.cgi?id=2507407
- https://github.com/torvalds/linux/commit/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b6
FAQ
What is CVE-2026-17523?
CVE-2026-17523 is a vulnerability with a CVSS score of 7.8 (HIGH). A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local p...
How severe is CVE-2026-17523?
CVE-2026-17523 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-17523?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.