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CVE
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CVE-2017-17863Date: (C)2017-12-29   (M)2024-03-26


kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 7.2
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-102321
SECTRACK-1040058
DSA-4073
USN-3523-2
USN-3523-3
https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security
https://www.spinics.net/lists/stable/msg206985.html

CPE    2
cpe:/o:debian:debian_linux:9.0
cpe:/o:linux:linux_kernel
CWE    1
CWE-190
OVAL    29
oval:org.secpod.oval:def:113850
oval:org.secpod.oval:def:113848
oval:org.secpod.oval:def:703944
oval:org.secpod.oval:def:703938
...

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