CVE-2019-25160

Summary

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

netlabel: fix out-of-bounds memory accesses

There are two array out-of-bounds memory accesses, one in cipso_v4_map_lvl_valid(), the other in netlbl_bitmap_walk(). Both errors are embarassingly simple, and the fixes are straightforward.

As a FYI for anyone backporting this patch to kernels prior to v4.8, you'll want to apply the netlbl_bitmap_walk() patch to cipso_v4_bitmap_walk() as netlbl_bitmap_walk() doesn't exist before Linux v4.8.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < 97bc3683c24999ee621d847c9348c75d2fe86272affected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < c61d01faa5550e06794dcf86125ccd325bfad950affected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < dc18101f95fa6e815f426316b8b9a5cee28a334eaffected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < 1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000affected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < fcfe700acdc1c72eab231300e82b962bac2b2b2caffected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < e3713abc4248aa6bcc11173d754c418b02a62cbbaffected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < fbf9578919d6c91100ec63acf2cba641383f6c78affected
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6 < 5578de4834fe0f2a34fedc7374be691443396d1faffected
LinuxLinux2.6.19affected
LinuxLinux0 < 2.6.19unaffected
LinuxLinux3.16.66 <= 3.16.*unaffected
LinuxLinux3.18.137 <= 3.18.*unaffected
LinuxLinux4.4.177 <= 4.4.*unaffected
LinuxLinux4.9.163 <= 4.9.*unaffected
LinuxLinux4.14.106 <= 4.14.*unaffected
LinuxLinux4.19.28 <= 4.19.*unaffected
LinuxLinux4.20.15 <= 4.20.*unaffected
LinuxLinux5.0 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References