Description
The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.15.17-1 | — |
| Debian 13 | linux | 4.15.17-1 | — |
| Debian 12 | linux | 4.15.17-1 | — |
| Debian 9 | linux | 4.9.88-1 | DSA-4188-1 |
| Debian 8 | linux | 3.16.56-1 | DSA-4187-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | linux | 3.2.101-1 | DLA-1369-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-gcp-6.11 +4 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1053.57 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-143.169 | USN-3910-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1077.87 | USN-3910-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1013.13~16.04.2 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1014.14~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-24.26~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1041.47 | USN-3910-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1104.112 | USN-3910-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1108.113 | USN-3910-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1039.42 | USN-3910-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-143.169~14.04.2 | USN-3910-2 |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-957.rt56.910.el7 | RHSA-2018:3096 |
| RHEL 7 | perf +18 | 3.10.0-957.el7 | RHSA-2018:3083 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-docs +3 | 4.4.126-94.22.1 | SUSE-SU-2018:1048-1 |
| SLES 12 SP3 | kernel-source | 4.4.126-94.22.2 | SUSE-SU-2018:1048-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.73.1 | SUSE-SU-2018:1173-2, SUSE-SU-2018:1173-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-2, SUSE-SU-2018:1173-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-source | 4.4.126-94.22.2 | SUSE-SU-2018:1048-1 |
| SLES for SAP 12 SP3 | kernel-syms +1 | 4.4.126-94.22.1 | SUSE-SU-2018:1048-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.73.1 | SUSE-SU-2018:1173-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-1 |
| SLE Real Time 12 SP3 | kernel-rt +3 | 4.4.128-3.11.1 | SUSE-SU-2018:1217-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_11 | 1-4.5.1 | SUSE-SU-2018:1048-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.73.1 | SUSE-SU-2018:1173-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.73.1 | SUSE-SU-2018:1173-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | perf +12 | 3.10.0-957.el7 | ELSA-2018-3083 |
Advisories 13
- RHSA-2018:3096 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- RHSA-2018:3083 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- USN-3910-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3910-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4188-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4187-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1369-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:1173-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1217-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1173-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1048-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0532 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 11, 2025
- ELSA-2018-3083 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 5, 2018
References
- RHSA-2018:3083 vendor-advisory
- DSA-4187 vendor-advisory
- USN-3910-1 vendor-advisory
- DSA-4188 vendor-advisory
- USN-3910-2 vendor-advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199037
- 103316 vdb-entry
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update mailing-list
- RHSA-2018:3096 vendor-advisory