Description
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Check Point Software Technologies | Linux Kernel | kernel version 3.4 and up to and including 4.15 | — |
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-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-127.153 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1060.69 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1013.13~16.04.2 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.13.0-1019.23 | USN-3677-2 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-24.26~16.04.1 | USN-3677-2 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1026.31 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-oem | 4.13.0-1030.33 | USN-3677-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1090.98 | USN-3656-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1093.98 | USN-3656-1 |
| Ubuntu 14.04 LTS | linux | 3.13.0-151.201 | USN-3674-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1022.22 | USN-3654-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-127.153~14.04.1 | USN-3654-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-alt +1 | 4.14.0-115.el7a | RHSA-2018:2948 |
| 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, RHSA-2018:2948 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | kernel-docs +6 | 4.12.14-25.3.1 | SUSE-SU-2018:2092-1 |
| SLES 12 SP3 | kernel-docs +4 | 4.4.131-94.29.1 | SUSE-SU-2018:1366-1 |
| 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_11 +1 | 10-2.1 | SUSE-SU-2018:1534-1, SUSE-SU-2018:1524-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_13 | 9-2.1 | SUSE-SU-2018:1545-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_14 +1 | 7-2.1 | SUSE-SU-2018:1548-1, SUSE-SU-2018:1516-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_16 +1 | 6-2.1 | SUSE-SU-2018:1518-1, SUSE-SU-2018:1510-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_18 +1 | 4-2.1 | SUSE-SU-2018:1530-1, SUSE-SU-2018:1511-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_20 | 3-2.1 | SUSE-SU-2018:1523-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-2, SUSE-SU-2018:1173-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_8 | 12-2.1 | SUSE-SU-2018:1522-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_9 +1 | 11-2.1 | SUSE-SU-2018:1536-1, SUSE-SU-2018:1505-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.88.1 | SUSE-SU-2018:1220-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 11-2.1 | SUSE-SU-2018:1521-1, SUSE-SU-2018:1506-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 | 10-2.1 | SUSE-SU-2018:1514-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_18 +2 | 9-2.1 | SUSE-SU-2018:1541-1, SUSE-SU-2018:1532-1, SUSE-SU-2018:1531-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 8-2.1 | SUSE-SU-2018:1546-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 6-2.1 | SUSE-SU-2018:1519-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_23 | 5-2.1 | SUSE-SU-2018:1537-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_24 +2 | 4-2.1 | SUSE-SU-2018:1528-1, SUSE-SU-2018:1513-1, SUSE-SU-2018:1509-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_27 | 1-2.3.1 | SUSE-SU-2018:1220-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.128.1 | SUSE-SU-2018:1221-1, SUSE-SU-2018:1220-1 |
| SLES 12 | kgraft-patch-SLE12_Update_22 | 11-2.1 | SUSE-SU-2018:1535-1 |
| SLES 12 | kgraft-patch-SLE12_Update_23 | 10-2.1 | SUSE-SU-2018:1517-1 |
| SLES 12 | kgraft-patch-SLE12_Update_24 +2 | 9-2.1 | SUSE-SU-2018:1540-1, SUSE-SU-2018:1529-1, SUSE-SU-2018:1520-1 |
| SLES 12 | kgraft-patch-SLE12_Update_27 | 8-2.1 | SUSE-SU-2018:1549-1 |
| SLES 12 | kgraft-patch-SLE12_Update_28 +1 | 6-2.1 | SUSE-SU-2018:1538-1, SUSE-SU-2018:1512-1 |
| SLES 12 | kgraft-patch-SLE12_Update_30 +2 | 5-2.1 | SUSE-SU-2018:1543-1, SUSE-SU-2018:1533-1, SUSE-SU-2018:1526-1 |
| SLES 12 | kgraft-patch-SLE12_Update_33 | 4-2.1 | SUSE-SU-2018:1539-1 |
| SLES 12 | kgraft-patch-SLE12_Update_34 | 1-1.3.1 | SUSE-SU-2018:1221-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.131-94.29.1 | SUSE-SU-2018:1366-1 |
| 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_11 +1 | 10-2.1 | SUSE-SU-2018:1534-1, SUSE-SU-2018:1524-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_13 | 9-2.1 | SUSE-SU-2018:1545-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_14 +1 | 7-2.1 | SUSE-SU-2018:1548-1, SUSE-SU-2018:1516-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_16 +1 | 6-2.1 | SUSE-SU-2018:1518-1, SUSE-SU-2018:1510-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_18 +1 | 4-2.1 | SUSE-SU-2018:1530-1, SUSE-SU-2018:1511-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_20 | 3-2.1 | SUSE-SU-2018:1523-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_21 | 1-3.3.1 | SUSE-SU-2018:1173-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_8 | 12-2.1 | SUSE-SU-2018:1522-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_9 +1 | 11-2.1 | SUSE-SU-2018:1536-1, SUSE-SU-2018:1505-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.88.1 | SUSE-SU-2018:1220-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 11-2.1 | SUSE-SU-2018:1521-1, SUSE-SU-2018:1506-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 | 10-2.1 | SUSE-SU-2018:1514-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_18 +2 | 9-2.1 | SUSE-SU-2018:1541-1, SUSE-SU-2018:1532-1, SUSE-SU-2018:1531-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 8-2.1 | SUSE-SU-2018:1546-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 6-2.1 | SUSE-SU-2018:1519-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_23 | 5-2.1 | SUSE-SU-2018:1537-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_24 +2 | 4-2.1 | SUSE-SU-2018:1528-1, SUSE-SU-2018:1513-1, SUSE-SU-2018:1509-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_27 | 1-2.3.1 | SUSE-SU-2018:1220-1 |
| SLE Real Time 12 SP3 | kernel-rt +3 | 4.4.138-3.14.1 | SUSE-SU-2018:1816-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-25.3.1 | SUSE-SU-2018:2092-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_1 | 1-1.3.1 | SUSE-SU-2018:2092-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_1 | 9-2.1 | SUSE-SU-2018:1643-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_10 | 3-2.1 | SUSE-SU-2018:1636-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_12 | 1-4.5.2 | SUSE-SU-2018:1366-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_2 +1 | 8-2.1 | SUSE-SU-2018:1642-1, SUSE-SU-2018:1641-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_4 | 7-2.1 | SUSE-SU-2018:1648-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_5 +2 | 6-2.1 | SUSE-SU-2018:1645-1, SUSE-SU-2018:1640-1, SUSE-SU-2018:1637-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_8 +1 | 4-2.1 | SUSE-SU-2018:1644-1, SUSE-SU-2018:1639-1 |
| 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 OpenStack Cloud 6 | kernel-xen +3 | 3.12.74-60.64.88.1 | SUSE-SU-2018:1220-1 |
| SUSE OpenStack Cloud 6 | kgraft-patch-SLE12-SP1_Update_27 | 1-2.3.1 | SUSE-SU-2018:1220-1 |
| 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 | dtrace-modules-3.8.13-118.22.1.el6uek | 0.4.5-3.el6 | ELSA-2018-4164 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.22.1.el7uek | 0.4.5-3.el7 | ELSA-2018-4164 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.22.1.el7uek | ELSA-2018-4164 |
| Oracle Linux 7 | perf +12 | 3.10.0-957.el7 | ELSA-2018-3083 |
Advisories 50
- RHSA-2018:3083 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- RHSA-2018:3096 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- RHSA-2018:2948 Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3654-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3654-1 linux, linux-aws, linux-kvm, vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3674-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 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
- USN-3677-2 linux-hwe, linux-gcp, linux-oem vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3656-1 linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:1221-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1543-1 Security update for the Linux Kernel (Live Patch 31 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1546-1 Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1533-1 Security update for the Linux Kernel (Live Patch 30 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1521-1 Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1535-1 Security update for the Linux Kernel (Live Patch 22 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1536-1 Security update for the Linux Kernel (Live Patch 9 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1173-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1648-1 Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1640-1 Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1540-1 Security update for the Linux Kernel (Live Patch 25 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1511-1 Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1549-1 Security update for the Linux Kernel (Live Patch 27 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1513-1 Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1509-1 Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1366-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1516-1 Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1539-1 Security update for the Linux Kernel (Live Patch 33 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2092-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1523-1 Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1545-1 Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1518-1 Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1636-1 Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1642-1 Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1530-1 Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1532-1 Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1644-1 Security update for the Linux Kernel (Live Patch 8 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1522-1 Security update for the Linux Kernel (Live Patch 8 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1641-1 Security update for the Linux Kernel (Live Patch 3 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1541-1 Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1524-1 Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1510-1 Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1645-1 Security update for the Linux Kernel (Live Patch 6 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1512-1 Security update for the Linux Kernel (Live Patch 29 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1220-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1505-1 Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1548-1 Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1531-1 Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1519-1 Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
References
- RHSA-2018:3083 vendor-advisory
- https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
- DSA-4187 vendor-advisory
- USN-3654-1 vendor-advisory
- USN-3674-1 vendor-advisory
- USN-3677-1 vendor-advisory
- DSA-4188 vendor-advisory
- USN-3674-2 vendor-advisory
- RHSA-2018:2948 vendor-advisory
- https://patchwork.freedesktop.org/patch/211845/
- USN-3677-2 vendor-advisory
- USN-3654-2 vendor-advisory
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update mailing-list
- USN-3656-1 vendor-advisory
- RHSA-2018:3096 vendor-advisory