CVE-2019-7308
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 01 Feb 2019, 22:00
Last modified:04 Aug 2024, 20:46
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.6 MEDIUM
v3.0 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
01 Feb 2019, 22:00
Published
Vulnerability first disclosed
04 Aug 2024, 20:46
Last Modified
Vulnerability information updated
Description
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 Metrics
- v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:C/I:N/A:N
EPSS Trends
Current EPSS score: 0.03%• Percentile: 9%
Techniques & Countermeasures
- CWE-189•Numeric Errors
Weaknesses in this category are related to improper calculation or conversion of numbers.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 18.10
- linux•linux_kernel
< 4.19.19 | ≥ 4.20.0, < 4.20.6
- opensuse•leap
15.0
References (14)
- https://github.com/torvalds/linux/commit/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
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38
- https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdeda
- http://www.securityfocus.com/bid/106827
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3931-1/
- https://usn.ubuntu.com/3931-2/
- https://usn.ubuntu.com/3930-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
- https://support.f5.com/csp/article/K43030517
- https://support.f5.com/csp/article/K43030517?utm_source=f5support&%3Butm_medium=RSS