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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.4.216
linuxlinux_kernel
4.5 ≤
𝑥
< 4.9.181
linuxlinux_kernel
4.10 ≤
𝑥
< 4.14.116
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.39
linuxlinux_kernel
4.20 ≤
𝑥
< 5.0.12
linuxlinux_kernel
5.1:rc1
linuxlinux_kernel
5.1:rc2
linuxlinux_kernel
5.1:rc3
linuxlinux_kernel
5.1:rc4
debiandebian_linux
8.0
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
jessie
ignored
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
eoan
not-affected
disco
Fixed 5.0.0-21.22
released
cosmic
ignored
bionic
Fixed 4.15.0-60.67
released
xenial
Fixed 4.4.0-165.193
released
trusty
ignored
linux-aws
eoan
not-affected
disco
Fixed 5.0.0-1011.12
released
cosmic
ignored
bionic
Fixed 4.15.0-1047.49
released
xenial
Fixed 4.4.0-1095.106
released
trusty
ignored
linux-aws-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-hwe
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
Fixed 4.15.0-1047.49~16.04.1
released
trusty
dne
linux-azure
eoan
not-affected
disco
Fixed 5.0.0-1012.12
released
cosmic
ignored
bionic
Fixed 5.0.0-1014.14~18.04.1
released
xenial
Fixed 4.15.0-1056.61
released
trusty
ignored
linux-azure-5.3
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
eoan
dne
disco
dne
cosmic
dne
bionic
Fixed 5.0.0-1014.14~18.04.1
released
xenial
Fixed 4.15.0-1056.61
released
trusty
dne
linux-euclid
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-flo
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-gcp
eoan
not-affected
disco
Fixed 5.0.0-1011.11
released
cosmic
ignored
bionic
Fixed 4.15.0-1042.45
released
xenial
Fixed 4.15.0-1041.43
released
trusty
dne
linux-gcp-5.3
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
eoan
dne
disco
dne
cosmic
dne
bionic
Fixed 4.15.0-1042.45
released
xenial
dne
trusty
dne
linux-gke
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-gke-4.15
eoan
dne
disco
dne
bionic
Fixed 4.15.0-1041.43
released
xenial
dne
trusty
dne
linux-gke-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-goldfish
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-grouper
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe
eoan
dne
disco
dne
cosmic
dne
bionic
Fixed 5.0.0-23.24~18.04.1
released
xenial
Fixed 4.15.0-60.67~16.04.1
released
trusty
dne
linux-hwe-edge
eoan
dne
disco
dne
cosmic
dne
bionic
ignored
xenial
Fixed 4.15.0-60.67~16.04.1
released
trusty
dne
linux-kvm
eoan
not-affected
disco
Fixed 5.0.0-1011.12
released
cosmic
ignored
bionic
Fixed 4.15.0-1043.43
released
xenial
Fixed 4.4.0-1059.66
released
trusty
dne
linux-lts-trusty
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-utopic
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-vivid
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-wily
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-xenial
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-maguro
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-mako
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-manta
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
eoan
Fixed 4.15.0-1059.68
released
disco
ignored
cosmic
ignored
bionic
Fixed 4.15.0-1056.65
released
xenial
ignored
trusty
dne
linux-oem-5.4
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
eoan
Fixed 5.0.0-1018.20
released
disco
ignored
bionic
Fixed 5.0.0-1015.16
released
xenial
dne
trusty
dne
linux-oracle
eoan
not-affected
disco
Fixed 5.0.0-1004.8
released
cosmic
ignored
bionic
Fixed 4.15.0-1022.25
released
xenial
Fixed 4.15.0-1022.25~16.04.1
released
trusty
dne
linux-oracle-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
eoan
not-affected
disco
Fixed 5.0.0-1013.13
released
cosmic
ignored
bionic
Fixed 4.15.0-1044.47
released
xenial
Fixed 4.4.0-1123.132
released
trusty
dne
linux-raspi2-5.3
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-snapdragon
eoan
dne
disco
Fixed 5.0.0-1017.18
released
cosmic
dne
bionic
Fixed 4.15.0-1062.69
released
xenial
Fixed 4.4.0-1127.135
released
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
http://www.openwall.com/lists/oss-security/2019/04/29/1
http://www.securityfocus.com/bid/108054
https://access.redhat.com/errata/RHSA-2019:2703
https://access.redhat.com/errata/RHSA-2019:2741
https://access.redhat.com/errata/RHSA-2020:0174
https://bugs.chromium.org/p/project-zero/issues/detail?id=1752
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3
https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a
https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397
https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64
https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
https://lwn.net/Articles/786044/
https://security.netapp.com/advisory/ntap-20190517-0005/
https://support.f5.com/csp/article/K14255532
https://usn.ubuntu.com/4069-1/
https://usn.ubuntu.com/4069-2/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4145-1/
https://www.oracle.com/security-alerts/cpuApr2021.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
http://www.openwall.com/lists/oss-security/2019/04/29/1
http://www.securityfocus.com/bid/108054
https://access.redhat.com/errata/RHSA-2019:2703
https://access.redhat.com/errata/RHSA-2019:2741
https://access.redhat.com/errata/RHSA-2020:0174
https://bugs.chromium.org/p/project-zero/issues/detail?id=1752
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3
https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb
https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a
https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397
https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64
https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
https://lwn.net/Articles/786044/
https://security.netapp.com/advisory/ntap-20190517-0005/
https://support.f5.com/csp/article/K14255532
https://usn.ubuntu.com/4069-1/
https://usn.ubuntu.com/4069-2/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4145-1/
https://www.oracle.com/security-alerts/cpuApr2021.html