CVE-2026-53099

In the Linux kernel, the following vulnerability has been resolved: bpf: Switch CONFIG_CFI_CLANG to CONFIG_CFI This was renamed in commit 23ef9d439769 ("kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI") as it is now a compiler-agnostic option. Using the wrong name results in the code getting compiled out. Meaning the CFI failures for btf_dtor_kfunc_t would still trigger.

Package Linux Kernel
Published 2026-06-24
Last modified 2026-06-24
Patch available
Yes

Affected versions

Linux kernel versions 7.0 and later are affected. Fixed in 7.0.10, 7.1 and their respective stable series.

Affected from
≥ 7.0
Fixed in
✓ 7.0.10 7.0.x ✓ 7.1

References

2 total

Frequently asked questions

  • What is CVE-2026-53099?

    CVE-2026-53099 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 7.0 onward and has been patched in 7.0.10 and 7.1. CVE-2026-53099 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-53099?

    Yes — CVE-2026-53099 has been patched. Fixed versions include 7.0.10 and 7.1. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-53099 actively exploited?

    No — CVE-2026-53099 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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