ISOMAN

CVE

CVE-2018-18445

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource
Ubuntu16.04.7 amd64 desktopunknownsource
Ubuntu16.04.6 i386 desktopunknownsource
Ubuntu16.04.7 amd64 serverunknownsource
Ubuntu16.04.6 i386 serverunknownsource
Ubuntu14.04.6 amd64 desktopunknownsource
Ubuntu14.04.6 i386 desktopunknownsource
Ubuntu14.04.6 amd64 serverunknownsource
Ubuntu14.04.6 i386 serverunknownsource

References

  1. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681
  2. https://access.redhat.com/errata/RHSA-2019:0512
  3. https://access.redhat.com/errata/RHSA-2019:0514
  4. https://bugs.chromium.org/p/project-zero/issues/detail?id=1686
  5. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75
  6. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13
  7. https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681
  8. https://support.f5.com/csp/article/K38456756
  9. https://usn.ubuntu.com/3832-1/
  10. https://usn.ubuntu.com/3835-1/
  11. https://usn.ubuntu.com/3847-1/
  12. https://usn.ubuntu.com/3847-2/
  13. https://usn.ubuntu.com/3847-3/
  14. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681
  15. https://access.redhat.com/errata/RHSA-2019:0512
  16. https://access.redhat.com/errata/RHSA-2019:0514
  17. https://bugs.chromium.org/p/project-zero/issues/detail?id=1686
  18. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75
  19. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13
  20. https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681