CVE-2019-7308
Mediumkernel/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 3.0 score
5.6
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness type
CWE-189CVE-2019-7308 is classified as CWE-189
See CWE-189 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2019-7308 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/106827Third Party Advisory VDB Entry
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3930-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3930-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3931-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3931-2/Third Party Advisory
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda
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PatchKernel patch commithttps://bugs.chromium.org/p/project-zero/issues/detail?id=1711
Frequently asked questions
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What is CVE-2019-7308?
CVE-2019-7308 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.6 out of 10 . CVE-2019-7308 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-7308?
CVE-2019-7308 has a CVSS score of 5.6 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N. -
Is there a patch available for CVE-2019-7308?
No patch is currently available for CVE-2019-7308. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-7308 actively exploited?
No — CVE-2019-7308 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.