CVE-2021-47466

Summary

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

mm, slub: fix potential memoryleak in kmem_cache_open()

In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux210e7a43fa905bccafa9bb5966fba1d71f33eb8b < 4f5d1c29cfab5cb0ab885059818751bdef32e2bbaffected
LinuxLinux210e7a43fa905bccafa9bb5966fba1d71f33eb8b < 568f906340b43120abd6fcc67c37396482f85930affected
LinuxLinux210e7a43fa905bccafa9bb5966fba1d71f33eb8b < 42b81946e3ac9ea0372ba16e05160dc11e02694faffected
LinuxLinux210e7a43fa905bccafa9bb5966fba1d71f33eb8b < 9037c57681d25e4dcc442d940d6dbe24dd31f461affected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux5.4.156 <= 5.4.*unaffected
LinuxLinux5.10.76 <= 5.10.*unaffected
LinuxLinux5.14.15 <= 5.14.*unaffected
LinuxLinux5.15 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References