Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
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 | 5.6.7-1 | — |
| Debian 13 | linux | 5.6.7-1 | — |
| Debian 12 | linux | 5.6.7-1 | — |
| Debian 9 | linux-4.19 | 4.19.160-2~deb9u1 | DLA-2483-1 |
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 | 5.4.0-31.35 | USN-4367-1 |
| Ubuntu 20.04 LTS | linux-aws +4 | 5.4.0-1011.11 | USN-4367-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1012.12 | USN-4367-1 |
| Ubuntu 20.04 LTS | linux-gke +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1010.10 | — |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-26.30 | USN-4367-1 |
| 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 | 5.3.0-1019.21~18.04.1 | USN-4369-1 |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1022.23~18.04.1 | USN-4369-1 |
| Ubuntu 18.04 LTS | linux-gcp +6 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1080.90 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.3 +1 | 5.3.0-1020.22~18.04.1 | USN-4369-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1066.69 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-53.47~18.04.1 | USN-4369-1 |
| 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-oracle | 4.15.0-1048.52 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | 5.3.0-1018.20~18.04.1 | USN-4369-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1065.69 | USN-4414-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1026.28~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1083.91 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1079.83~16.04.1 | 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 | 4.15.0-1080.90~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-112.113~16.04.1 | USN-4414-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1050.54~16.04.1 | USN-4414-1 |
Show 7 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 | 4.15.0-1037.42 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux +2 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +2 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1091.101~14.04.1 | USN-4414-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.59.1 | SUSE-SU-2022:2079-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.71.2.150300.18.43.2 | SUSE-SU-2022:2078-1 |
| SLES 15 SP3 | kernel-syms | 5.3.18-150300.59.71.1 | SUSE-SU-2022:2078-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLES 12 SP5 | kernel-azure | 4.12.14-16.100.2 | SUSE-SU-2022:2080-1 |
| SLES 12 SP5 | kernel-default +1 | 4.12.14-122.124.3 | SUSE-SU-2022:2116-1 |
| SLES 12 SP5 | kernel-docs +2 | 4.12.14-122.124.2 | SUSE-SU-2022:2116-1 |
| SLES 12 SP5 | kernel-syms-azure +1 | 4.12.14-16.100.1 | SUSE-SU-2022:2080-1 |
Show 32 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.102.1 | SUSE-SU-2022:2393-1 |
| SLES 12 SP3 | kernel-default | 4.4.180-94.164.3 | SUSE-SU-2022:2082-1 |
| SLES 12 SP3 | kernel-syms +1 | 4.4.180-94.164.2 | SUSE-SU-2022:2082-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_45 | 1-4.3.2 | SUSE-SU-2022:2082-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.175.2 | SUSE-SU-2022:2077-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLES for SAP 12 SP5 | kernel-azure | 4.12.14-16.100.2 | SUSE-SU-2022:2080-1 |
| SLES for SAP 12 SP5 | kernel-default | 4.12.14-122.124.3 | SUSE-SU-2022:2116-1 |
| SLES for SAP 12 SP5 | kernel-syms +1 | 4.12.14-122.124.2 | SUSE-SU-2022:2116-1 |
| SLES for SAP 12 SP5 | kernel-syms-azure +1 | 4.12.14-16.100.1 | SUSE-SU-2022:2080-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.102.1 | SUSE-SU-2022:2393-1 |
| SLES for SAP 12 SP3 | kernel-default | 4.4.180-94.164.3 | SUSE-SU-2022:2082-1 |
| SLES for SAP 12 SP3 | kernel-syms +1 | 4.4.180-94.164.2 | SUSE-SU-2022:2082-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_45 | 1-4.3.2 | SUSE-SU-2022:2082-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.94.1 | SUSE-SU-2022:2629-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.71.2.150300.18.43.2 | SUSE-SU-2022:2078-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.93.1 | SUSE-SU-2022:2177-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.71.2.150300.18.43.2 | SUSE-SU-2022:2078-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.93.1 | SUSE-SU-2022:2177-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_19 | 1-150300.7.3.2 | SUSE-SU-2022:2078-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_27 | 1-150200.5.3.1 | SUSE-SU-2022:2104-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_31 | 1-150100.3.3.2 | SUSE-SU-2022:2111-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_30 | 1-150000.1.3.2 | SUSE-SU-2022:2103-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.124.3 | SUSE-SU-2022:2116-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_32 | 1-8.3.3 | SUSE-SU-2022:2116-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.102.1 | SUSE-SU-2022:2393-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_28 | 1-6.3.1 | SUSE-SU-2022:2393-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.93.1 | SUSE-SU-2022:2177-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.102.1 | SUSE-SU-2022:2393-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-default | 4.4.180-94.164.3 | SUSE-SU-2022:2082-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +1 | 4.4.180-94.164.2 | SUSE-SU-2022:2082-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_45 | 1-4.3.2 | SUSE-SU-2022:2082-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.102.1 | SUSE-SU-2022:2393-1 |
| SUSE OpenStack Cloud 8 | kernel-default | 4.4.180-94.164.3 | SUSE-SU-2022:2082-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +1 | 4.4.180-94.164.2 | SUSE-SU-2022:2082-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_45 | 1-4.3.2 | SUSE-SU-2022:2082-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE HPE Helion OpenStack 8 | kernel-default | 4.4.180-94.164.3 | SUSE-SU-2022:2082-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +1 | 4.4.180-94.164.2 | SUSE-SU-2022:2082-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_45 | 1-4.3.2 | SUSE-SU-2022:2082-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.71.1 | SUSE-SU-2022:2078-1 |
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| openSUSE Leap 15.4 | kernel-preempt | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| openSUSE Leap 15.3 | dtb-aarch64 +2 | 5.3.18-150300.59.71.1 | SUSE-SU-2022:2078-1 |
| openSUSE Leap 15.3 | kernel-64kb +4 | 5.3.18-150300.59.71.2 | SUSE-SU-2022:2078-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.59.1 | SUSE-SU-2022:2079-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1, SUSE-SU-2022:2078-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.71.2.150300.18.43.2 | SUSE-SU-2022:2078-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | kernel-rt | 5.3.18-150300.93.1 | openSUSE-SU-2022:2177-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.69.5.el7uek | ELSA-2022-10065, ELSA-2020-5913, ELSA-2020-5714 |
| Oracle Linux 7 | perf +5 | 4.14.35-2025.402.2.1.el7uek | ELSA-2020-5913, ELSA-2020-5714 |
Advisories 21
- 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-4369-1 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 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4367-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DLA-2483-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:2111-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2103-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2077-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2082-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2079-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2104-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:2177-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2393-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2078-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2629-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2116-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2080-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2177-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2022-0311 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 7, 2022
- ELSA-2022-10065 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 6, 2022
- ELSA-2020-5913 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ELSA-2020-5714 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 9, 2020
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377
- https://security.netapp.com/advisory/ntap-20200103-0001/
- USN-4367-1 vendor-advisory
- USN-4369-1 vendor-advisory
- USN-4414-1 vendor-advisory
- [debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update mailing-list