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CVE
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CVE-2019-7308Date: (C)2019-06-17   (M)2024-04-19


kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.6CVSS Score : 4.7
Exploit Score: 1.1Exploit Score: 3.4
Impact Score: 4.0Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: CHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
BID-106827
USN-3930-1
USN-3930-2
USN-3931-1
USN-3931-2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda
https://bugs.chromium.org/p/project-zero/issues/detail?id=1711
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6
https://github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38
https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdeda
https://support.f5.com/csp/article/K43030517
https://support.f5.com/csp/article/K43030517?utm_source=f5support&%3Butm_medium=RSS
openSUSE-SU-2019:1193

CPE    4
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:linux:linux_kernel
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
...
CWE    1
CWE-189
OVAL    18
oval:org.secpod.oval:def:115899
oval:org.secpod.oval:def:115896
oval:org.secpod.oval:def:115895
oval:org.secpod.oval:def:115894
...

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