vulnwire
3.3low

CVE-2017-17864

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
3.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 34%
Public exploits
0
none known

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 34% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.03.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
Linux kernel (RSS, critical only)

References

  • anonscm.debian.org /cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-compar · x_refsource_MISC, x_transferred
  • anonscm.debian.org /cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e775 · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1040059 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/102320 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-4073 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • usn.ubuntu.com /usn/usn-3523-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

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