ISOMAN

CVE

CVE-2018-15572

The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.

Severity
MEDIUM
CVSS
6.5
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=fdf82a7856b32d905c39afc85e34364491e46346
  2. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
  3. https://github.com/torvalds/linux/commit/fdf82a7856b32d905c39afc85e34364491e46346
  4. https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
  5. https://usn.ubuntu.com/3775-1/
  6. https://usn.ubuntu.com/3775-2/
  7. https://usn.ubuntu.com/3776-1/
  8. https://usn.ubuntu.com/3776-2/
  9. https://usn.ubuntu.com/3777-1/
  10. https://usn.ubuntu.com/3777-2/
  11. https://usn.ubuntu.com/3777-3/
  12. https://www.debian.org/security/2018/dsa-4308
  13. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdf82a7856b32d905c39afc85e34364491e46346
  14. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
  15. https://github.com/torvalds/linux/commit/fdf82a7856b32d905c39afc85e34364491e46346
  16. https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
  17. https://usn.ubuntu.com/3775-1/
  18. https://usn.ubuntu.com/3775-2/
  19. https://usn.ubuntu.com/3776-1/
  20. https://usn.ubuntu.com/3776-2/