ISOMAN

CVE

CVE-2019-11487

The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
  2. http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
  3. http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
  4. http://www.openwall.com/lists/oss-security/2019/04/29/1
  5. http://www.securityfocus.com/bid/108054
  6. https://access.redhat.com/errata/RHSA-2019:2703
  7. https://access.redhat.com/errata/RHSA-2019:2741
  8. https://access.redhat.com/errata/RHSA-2020:0174
  9. https://bugs.chromium.org/p/project-zero/issues/detail?id=1752
  10. https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
  11. https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a
  12. https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397
  13. https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64
  14. https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3
  15. https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
  16. https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a
  17. https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397
  18. https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64
  19. https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3
  20. https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html