Description
An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
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 | 5.6.14-1 | — |
| Debian 13 | linux | 5.6.14-1 | — |
| Debian 12 | linux | 5.6.14-1 | — |
| Debian 10 | linux | 4.19.118-2+deb10u1 | DSA-4699-1 |
| Debian 9 | linux | 4.9.210-1+deb9u1 | DSA-4698-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | linux | 3.16.84-1 | DLA-2241-1 |
| Debian 8 | linux-4.9 | 4.9.210-1+deb9u1~deb8u1 | DLA-2242-1 |
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 | 5.4.0-40.44 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-aws +1 | 5.4.0-1018.18 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1020.20 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1019.19 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-gke +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1011.11 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1013.13 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-28.32 | USN-4411-1 |
| Ubuntu 18.04 LTS | linux | 4.15.0-109.110 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1077.81 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-aws-5.3 +2 | 5.3.0-1030.32~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1032.33~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-gcp +6 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1078.88 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1064.67 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1043.44 | USN-4413-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-62.56~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-40.44~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1069.70 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-oem +1 | 4.15.0-1091.101 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1063.68 | USN-4413-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1048.52 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | 5.3.0-1028.30~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1065.69 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1028.30~18.04.2 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1081.88 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-185.215 | USN-4419-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1110.121 | USN-4419-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1074.78~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1091.101~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1078.88~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-107.108~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1076.83 | USN-4419-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1046.50~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1135.144 | USN-4419-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1139.147 | USN-4419-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2022.22 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1035.40 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1042.47 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1074.78 | USN-4419-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1091.101~14.04.1 | USN-4414-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-185.215~14.04.1 | USN-4419-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-240.rt7.54.el8 | RHSA-2020:4609 |
| RHEL 8 | perf +26 | 4.18.0-240.el8 | RHSA-2020:4431 |
| RHEL 7 | kernel +15 | 3.10.0-1160.el7 | RHSA-2020:4060 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.rt56.1131.el7 | RHSA-2020:4062 |
| RHEL 7 | perf +3 | 3.10.0-957.65.1.el7 | RHSA-2020:5656, RHSA-2020:4060 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.7 EUS | perf +18 | 3.10.0-1062.40.1.el7 | RHSA-2020:5206 |
| RHEL 7.6 EUS | perf +19 | 3.10.0-957.65.1.el7 | RHSA-2020:5656 |
| RHEL 7.4 TUS | perf +11 | 3.10.0-693.81.1.el7 | RHSA-2020:5430 |
| RHEL 7.4 E4S | perf +13 | 3.10.0-693.81.1.el7 | RHSA-2020:5430 |
| RHEL 7.4 AUS | perf +11 | 3.10.0-693.81.1.el7 | RHSA-2020:5430 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-tools-libs-devel | 4.18.0-240.el8 | ALSA-2020:4431 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-59.24.1 | SUSE-SU-2021:3205-1 |
| SLES 15 SP3 | kernel-azure | 5.3.18-38.22.2 | SUSE-SU-2021:3179-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-59.24.1.18.12.1 | SUSE-SU-2021:3205-1 |
| SLES 15 SP3 | kernel-syms-azure +1 | 5.3.18-38.22.1 | SUSE-SU-2021:3179-1 |
| SLES 15 SP1 | kernel-docs +4 | 4.12.14-197.102.2 | SUSE-SU-2021:3876-1 |
| SLES 15 SP1 | kernel-obs-build | 4.12.14-197.102.1 | SUSE-SU-2021:3876-1 |
| SLES 15 | kernel-docs +1 | 4.12.14-150.78.2 | SUSE-SU-2021:3969-1 |
| SLES 15 | kernel-syms +4 | 4.12.14-150.78.1 | SUSE-SU-2021:3969-1 |
| SLES 12 SP5 | kernel-docs +3 | 4.12.14-122.88.1 | SUSE-SU-2021:3206-1 |
| SLES 12 SP5 | kernel-obs-build | 4.12.14-122.88.2 | SUSE-SU-2021:3206-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.83.2 | SUSE-SU-2021:3972-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.135.1 | SUSE-SU-2022:14905-1 |
| SLES for SAP 15 SP1 | kernel-docs +3 | 4.12.14-197.102.2 | SUSE-SU-2021:3876-1 |
| SLES for SAP 15 SP1 | kernel-obs-build | 4.12.14-197.102.1 | SUSE-SU-2021:3876-1 |
| SLES for SAP 15 | kernel-docs +1 | 4.12.14-150.78.2 | SUSE-SU-2021:3969-1 |
| SLES for SAP 15 | kernel-syms +3 | 4.12.14-150.78.1 | SUSE-SU-2021:3969-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.88.1 | SUSE-SU-2021:3206-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.83.2 | SUSE-SU-2021:3972-1 |
| SLE Real Time 12 SP5 | kernel-rt +1 | 4.12.14-10.57.2 | SUSE-SU-2021:3217-1 |
| SLE Real Time 12 SP5 | kernel-syms-rt +1 | 4.12.14-10.57.1 | SUSE-SU-2021:3217-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.82.1 | SUSE-SU-2025:0229-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-59.24.1 | SUSE-SU-2021:3205-2 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-59.24.1.18.12.1 | SUSE-SU-2021:3205-2 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-57.1 | SUSE-SU-2021:3415-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-59.24.1 | SUSE-SU-2021:3205-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_6 | 1-7.5.1 | SUSE-SU-2021:3205-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.102.2 | SUSE-SU-2021:3876-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_27 | 1-3.3.1 | SUSE-SU-2021:3876-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.78.1 | SUSE-SU-2021:3969-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_26 | 1-1.3.1 | SUSE-SU-2021:3969-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.88.1 | SUSE-SU-2021:3206-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_23 | 1-8.5.1 | SUSE-SU-2021:3206-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.83.2 | SUSE-SU-2021:3972-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_23 | 1-6.3.1 | SUSE-SU-2021:3972-1 |
| SLE HPC 15 SP1 | kernel-docs +3 | 4.12.14-197.102.2 | SUSE-SU-2021:3876-1 |
| SLE HPC 15 SP1 | kernel-obs-build | 4.12.14-197.102.1 | SUSE-SU-2021:3876-1 |
| SLE HPC 15 | kernel-docs +1 | 4.12.14-150.78.2 | SUSE-SU-2021:3969-1 |
| SLE HPC 15 | kernel-syms +3 | 4.12.14-150.78.1 | SUSE-SU-2021:3969-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-57.1 | SUSE-SU-2021:3415-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.83.2 | SUSE-SU-2021:3972-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.83.2 | SUSE-SU-2021:3972-1 |
| SUSE Enterprise Storage 6 | kernel-docs +3 | 4.12.14-197.102.2 | SUSE-SU-2021:3876-1 |
| SUSE Enterprise Storage 6 | kernel-obs-build | 4.12.14-197.102.1 | SUSE-SU-2021:3876-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +7 | 5.3.18-59.24.1 | openSUSE-SU-2021:3205-1 |
| openSUSE Leap 15.3 | kernel-azure | 5.3.18-38.22.2 | openSUSE-SU-2021:3179-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-197.102.2 | openSUSE-SU-2021:3876-1, openSUSE-SU-2021:3205-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-59.24.1.18.12.1 | openSUSE-SU-2021:3205-1 |
| openSUSE Leap 15.3 | kernel-syms-azure +1 | 5.3.18-38.22.1 | openSUSE-SU-2021:3179-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.181-140.257 | 1.0-0.amzn2 | ALAS2-2020-1431 |
| Amazon Linux 2 | perf +8 | 4.14.181-140.257.amzn2 | ALAS2-2020-1431 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-240.el8 | ELSA-2020-4431 |
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.67.3.el7uek | ELSA-2022-9852, ELSA-2020-5756, ELSA-2020-5755 |
| Oracle Linux 7 | kernel-uek-tools +3 | 4.14.35-1902.304.6.el7uek | ELSA-2020-5756, ELSA-2020-5755 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.el7 | ELSA-2020-5756, ELSA-2020-5755, ELSA-2020-4060 |
Advisories 38
- ALSA-2020:4431 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:4431 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2020:4062 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2020:4060 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2020:4609 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2020:5656 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5430 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5206 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-4413-1 linux-gke-5.0, linux-oem-osp1 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4411-1 linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4419-1 linux, linux-lts-xenial, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4414-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4412-1 linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4698-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4699-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2242-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2241-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:3179-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3876-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3217-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3179-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3205-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3969-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3205-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3415-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:14905-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0229-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3972-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3876-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1614 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 9, 2025
- SUSE-SU-2021:3206-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2021:3205-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2022-9852 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 4, 2022
- ELSA-2020-4431 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ELSA-2020-4060 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
- ELSA-2020-5756 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 14, 2020
- ELSA-2020-5755 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 10, 2020
- ALAS2-2020-1431 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 3, 2020
References
- https://lkml.org/lkml/2020/4/13/870
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee
- FEDORA-2020-4c69987c40 vendor-advisory
- FEDORA-2020-c6b9fff7f8 vendor-advisory
- FEDORA-2020-5a69decc0c vendor-advisory
- https://security.netapp.com/advisory/ntap-20200608-0001/
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update mailing-list
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update mailing-list
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update mailing-list
- DSA-4698 vendor-advisory
- DSA-4699 vendor-advisory
- USN-4413-1 vendor-advisory
- USN-4411-1 vendor-advisory
- USN-4412-1 vendor-advisory
- USN-4419-1 vendor-advisory
- USN-4414-1 vendor-advisory