CVE-2019-7308

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.

References

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

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html

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&utm_medium=RSS

https://usn.ubuntu.com/3930-1/

https://usn.ubuntu.com/3930-2/

https://usn.ubuntu.com/3931-1/

https://usn.ubuntu.com/3931-2/

Details

Risk Information

CVSS v2

CVSS v3