Description
A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.
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 | 5.9.15-1 | — |
| Debian 13 | linux | 5.9.15-1 | — |
| Debian 12 | linux | 5.9.15-1 | — |
| Debian 10 | linux | 4.19.171-2 | DSA-4843-1 |
| Debian 9 | linux | 4.9.258-1 | DLA-2586-1 |
| Debian 9 | linux-4.19 | 4.19.171-2~deb9u1 | DLA-2557-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-66.74 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1038.40 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1040.42 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1037.40 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1036.38 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1010.11 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | 5.8.0-44.50~20.04.1 | USN-4751-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1033.34 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1048.52 | USN-4752-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1038.41 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1029.32 | USN-4750-1 |
| Ubuntu 20.04 LTS | linux-riscv +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | 5.8.0-17.19~20.04.1 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-136.140 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1094.101 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1038.40~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1108.120 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1040.42~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1012.16 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1093.106 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1037.40~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1036.38~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1010.11~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-66.74~18.04.2 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1085.87 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1065.73 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1038.41~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1029.32~18.04.1 | USN-4750-1 |
| Ubuntu 18.04 LTS | linux-raspi2 +1 | 4.15.0-1079.84 | USN-4749-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1096.105 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-203.235 | USN-4748-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1122.136 | USN-4748-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1094.101~16.04.1 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1108.120~16.04.1 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1093.106~16.04.1 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-136.140~16.04.1 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1088.97 | USN-4748-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1065.73~16.04.1 | USN-4749-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1146.156 | USN-4748-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1150.160 | USN-4748-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2037.39 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2020.23 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1053.61 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1056.62 | — |
| Ubuntu Pro 20.04 LTS | linux | 5.4.0-70.78 | LSN-0082-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp | 5.4.0-1040.43 | LSN-0082-1 |
| Ubuntu Pro 20.04 LTS | linux-gke | 5.4.0-1039.41 | LSN-0082-1 |
| Ubuntu Pro 20.04 LTS | linux-gkeop | 5.4.0-1012.13 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux | 4.15.0-136.140 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux-gke-4.15 | 4.15.0-1079.84 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux-gke-5.4 | 5.4.0-1039.41~18.04.1 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1012.13~18.04.1 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-70.78~18.04.1 | LSN-0082-1 |
| Ubuntu Pro 18.04 LTS | linux-oem | No fix yet | LSN-0082-1 |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-203.235 | LSN-0082-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-136.140~16.04.1 | LSN-0082-1 |
| Ubuntu Pro 14.04 LTS | linux | 3.13.0-188.239 | USN-5130-1 |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1086.90 | USN-4748-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1108.120~14.04.1 | USN-4749-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-203.235~14.04.1 | USN-4748-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-240.15.1.rt7.69.el8_3 | RHSA-2021:0537 |
| RHEL 8 | perf +26 | 4.18.0-240.15.1.el8_3 | RHSA-2021:0558 |
| RHEL 7 | kernel +15 | 3.10.0-1160.21.1.el7 | RHSA-2021:0856, RHSA-2021:0354 |
| RHEL 7 | kernel-alt | 4.14.0-115.35.1.el7a | RHSA-2021:0354 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.21.1.rt56.1158.el7 | RHSA-2021:0857 |
| RHEL 7 | kpatch-patch-3_10_0-1160 +3 | 1-3.el7 | RHSA-2021:0862 |
| RHEL 7 | kpatch-patch-3_10_0-1160_11_1 +1 | 1-2.el7 | RHSA-2021:0862 |
| RHEL 7 | perf +2 | 3.10.0-957.70.1.el7 | RHSA-2021:0878, RHSA-2021:0856, RHSA-2021:0354 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 EUS | kernel-rt +12 | 4.18.0-193.46.1.rt13.96.el8_2 | RHSA-2021:0774 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193 | 1-10.el8 | RHSA-2021:0763 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_13_2 +2 | 1-5.el8_2 | RHSA-2021:0763 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_1_2 | 1-8.el8_2 | RHSA-2021:0763 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_28_1 +4 | 1-3.el8_2 | RHSA-2021:0763 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_6_3 | 1-7.el8_2 | RHSA-2021:0763 |
| RHEL 8.2 EUS | perf +26 | 4.18.0-193.46.1.el8_2 | RHSA-2021:0765 |
| RHEL 8.1 EUS | kernel +18 | 4.18.0-147.43.1.el8_1 | RHSA-2021:0686 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_13_2 | 1-8.el8_1 | RHSA-2021:0689 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_20_1 | 1-7.el8_1 | RHSA-2021:0689 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_24_2 +1 | 1-5.el8_1 | RHSA-2021:0689 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_32_1 +1 | 1-3.el8_1 | RHSA-2021:0689 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_38_1 | 1-2.el8_1 | RHSA-2021:0689 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_8_1 | 1-10.el8_1 | RHSA-2021:0689 |
| RHEL 7.7 EUS | kpatch-patch-3_10_0-1062_21_1 | 1-3.el7 | RHSA-2021:1031 |
| RHEL 7.7 EUS | kpatch-patch-3_10_0-1062_26_1 +9 | 1-1.el7 | RHSA-2021:1031 |
| RHEL 7.7 EUS | perf +18 | 3.10.0-1062.46.1.el7 | RHSA-2021:1028 |
| RHEL 7.6 EUS | kpatch-patch-3_10_0-957_46_1 +1 | 1-4.el7 | RHSA-2021:0940 |
| RHEL 7.6 EUS | kpatch-patch-3_10_0-957_54_1 +7 | 1-1.el7 | RHSA-2021:0940 |
| RHEL 7.6 EUS | perf +18 | 3.10.0-957.70.1.el7 | RHSA-2021:0878 |
| RHEL 7.4 TUS | perf +11 | 3.10.0-693.87.1.el7 | RHSA-2021:2164 |
| RHEL 7.4 E4S | perf +13 | 3.10.0-693.87.1.el7 | RHSA-2021:2164 |
| RHEL 7.4 AUS | perf +11 | 3.10.0-693.87.1.el7 | RHSA-2021:2164 |
| RHEL 6 ELS | perf +13 | 2.6.32-754.39.1.el6 | RHSA-2021:1288 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-tools-libs-devel | 4.18.0-240.15.1.el8_3 | ALSA-2021:0558 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.32.1 | SUSE-SU-2021:0096-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.46.1.9.19.1 | SUSE-SU-2021:0117-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-24.46.1 | SUSE-SU-2021:0117-1 |
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.58.1 | SUSE-SU-2021:0097-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.78.1 | SUSE-SU-2021:0118-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.41.1 | SUSE-SU-2021:0098-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.57.1 | SUSE-SU-2021:0133-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
Show 24 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 7-2.2 | SUSE-SU-2021:0408-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_32 +1 | 6-2.2 | SUSE-SU-2021:0408-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_34 | 6-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_35 | 5-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_36 | 3-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 8-2.2 | SUSE-SU-2021:0408-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_35 | 6-2.2 | SUSE-SU-2021:0408-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_36 | 6-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_37 | 5-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_38 | 3-2.1 | SUSE-SU-2021:0408-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.120.1 | SUSE-SU-2021:14630-1, SUSE-RU-2021:14663-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.41.1 | SUSE-SU-2021:0098-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.57.1 | SUSE-SU-2021:0133-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 7-2.2 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_32 +1 | 6-2.2 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_34 | 6-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_35 | 5-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_36 | 3-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 8-2.2 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_35 | 6-2.2 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_36 | 6-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_37 | 5-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_38 | 3-2.1 | SUSE-SU-2021:0408-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.28.3 | SUSE-SU-2021:0094-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.46.1 | SUSE-SU-2021:0117-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_0 | 7-5.2 | SUSE-SU-2021:0367-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_1 | 6-2.1 | SUSE-SU-2021:0367-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_2 +2 | 5-2.1 | SUSE-SU-2021:0367-1, SUSE-SU-2021:0362-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_5 +2 | 3-2.1 | SUSE-SU-2021:0362-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_8 | 2-2.1 | SUSE-SU-2021:0362-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_9 | 1-5.3.1 | SUSE-SU-2021:0117-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.78.1 | SUSE-SU-2021:0118-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_11 | 8-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_12 | 6-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_13 +1 | 6-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_15 | 5-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_16 | 4-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_17 +1 | 3-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_19 +1 | 2-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_21 | 1-3.3.1 | SUSE-SU-2021:0118-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_9 +1 | 9-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_18 | 6-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_19 | 6-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_20 | 5-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_21 | 3-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_22 | 1-1.3.1 | SUSE-SU-2021:0438-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.57.1 | SUSE-SU-2021:0133-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_10 | 4-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_11 +1 | 3-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_13 | 2-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_14 | 1-8.3.1 | SUSE-SU-2021:0133-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_3 | 9-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_4 | 8-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_5 +1 | 6-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_7 +1 | 6-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_9 | 5-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_12 | 9-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_13 | 8-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_14 | 6-2.2 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_15 | 6-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_16 | 5-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_17 | 2-2.1 | SUSE-SU-2021:0377-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_18 | 1-6.3.1 | SUSE-SU-2021:0434-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SUSE Real Time Module 15 SP2 | kernel-rt +3 | 5.3.18-22.1 | SUSE-SU-2021:0108-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.47.1 | SUSE-SU-2021:0095-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.14.6-1.4 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:10728-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.60.1 | openSUSE-SU-2021:0060-1 |
| openSUSE Leap 15.2 | kernel-rt +3 | 5.3.18-lp152.3.5.1 | openSUSE-SU-2021:0242-1 |
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.91.1 | openSUSE-SU-2021:0075-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.214-160.339 | 1.0-0.amzn2 | ALAS2-2021-1588 |
| Amazon Linux 2 | perf +8 | 4.14.214-160.339.amzn2 | ALAS2-2021-1588 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-240.15.1.el8_3 | ELSA-2021-0558 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.21.1.el7 | ELSA-2021-0856 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
wojkos9/arm-CVE-2020-29661 ★ 1 · Aug 5, 2024
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 50
- ALSA-2021:0558 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:2164 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0857 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0856 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0774 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0763 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0765 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:0686 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2021:0558 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2021:0537 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2021:1288 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 31, 2026
- USN-5130-1 linux vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2021:1031 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:1028 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:0940 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:0878 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:0862 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:0689 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:0354 Red Hat Security Advisory: kernel-alt security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-4752-1 linux-oem-5.6 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4748-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4750-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4749-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4751-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- LSN-0082-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4843-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2557-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2586-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:0367-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0108-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2021:14663-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0242-1 Security update for RT kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0095-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0408-1 Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0434-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0098-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0096-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0133-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0097-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0075-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0437-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14630-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0117-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0118-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0362-1 Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10728-1 kernel-devel-5.14.6-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0377-1 Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0438-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0060-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fc
- [oss-security] 20201210 2 kernel issues mailing-list
- FEDORA-2020-b732958765 vendor-advisory
- FEDORA-2020-bc0cc81a7a vendor-advisory
- DSA-4843 vendor-advisory
- [debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update mailing-list
- [debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update mailing-list
- https://www.oracle.com/security-alerts/cpuoct2021.html
- http://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.html
- https://security.netapp.com/advisory/ntap-20210122-0001/
- http://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.html