CVE-2025-68378
Linux Kernel vulnerability analysis and mitigation

In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix stackmap overflow check in __bpf_get_stackid()

Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.


SourceNVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-68753HIGH7.8
  • Linux KernelLinux Kernel
  • linux-realtime
NoYesJan 05, 2026
CVE-2025-68756HIGH7.1
  • Linux KernelLinux Kernel
  • linux-oracle
NoYesJan 05, 2026
CVE-2025-68764MEDIUM5.5
  • Linux KernelLinux Kernel
  • linux-realtime
NoYesJan 05, 2026
CVE-2025-68758MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-zfcpdump-core
NoYesJan 05, 2026
CVE-2025-68762N/AN/A
  • Linux KernelLinux Kernel
  • kernel
NoYesJan 05, 2026

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