Description
In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.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 | 5.4.6-1 | — |
| Debian 13 | linux | 5.4.6-1 | — |
| Debian 12 | linux | 5.4.6-1 | — |
| Debian 8 | linux | 3.16.84-1 | DLA-2241-1 |
| Debian 8 | linux-4.9 | 4.9.210-1~deb8u1 | DLA-2114-1 |
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 +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-88.88 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1060.62 | — |
| Ubuntu 18.04 LTS | linux-aws-5.0 | 5.0.0-1025.28 | — |
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1032.34 | — |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1013.14~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp | 5.0.0-1031.32 | — |
| Ubuntu 18.04 LTS | linux-gcp-5.3 +1 | 5.3.0-1012.13~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp-edge +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1052.55 | — |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1030.31 | — |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-40.32~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1053.53 | — |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1073.83 | — |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1039.44 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1033.36 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | 5.0.0-1011.16 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1055.59 | — |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1018.20~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1072.79 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-173.203 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1101.112 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1060.62~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1071.76 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1055.59 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-88.88~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1065.72 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1033.36~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1128.137 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1132.140 | — |
Show 6 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 | 4.15.0-2018.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1028.33 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1061.65 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1071.76~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-173.203~14.04.1 | — |
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, RHSA-2020:2104 |
| RHEL 7 | kernel-alt | 4.14.0-115.21.2.el7a | RHSA-2020:2104 |
| 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, RHSA-2020:2104 |
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 SP1 | kernel-azure +2 | 4.12.14-8.27.1 | SUSE-SU-2020:0511-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.34.1 | SUSE-SU-2020:0560-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.52.1 | SUSE-SU-2020:1663-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.7.1 | SUSE-SU-2020:0093-1 |
| SLES 12 SP5 | kernel-docs | 4.12.14-122.17.2 | SUSE-SU-2020:0580-1 |
| SLES 12 SP5 | kernel-syms +3 | 4.12.14-122.17.1 | SUSE-SU-2020:0580-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.37.1 | SUSE-SU-2020:0559-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.48.1 | SUSE-SU-2020:0584-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_28 | 9-2.2 | SUSE-SU-2020:2491-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_29 | 7-2.2 | SUSE-SU-2020:2497-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_30 | 6-2.2 | SUSE-SU-2020:2498-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.129.1 | SUSE-SU-2020:1255-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_32 | 9-2.2 | SUSE-SU-2020:2491-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_33 | 7-2.2 | SUSE-SU-2020:2492-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 1-3.3.1 | SUSE-SU-2020:1255-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.52.1 | SUSE-SU-2020:1663-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.7.1 | SUSE-SU-2020:0093-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.17.1 | SUSE-SU-2020:0580-1 |
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.37.1 | SUSE-SU-2020:0559-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.48.1 | SUSE-SU-2020:0584-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_28 | 9-2.2 | SUSE-SU-2020:2491-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_29 | 7-2.2 | SUSE-SU-2020:2497-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_30 | 6-2.2 | SUSE-SU-2020:2498-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.129.1 | SUSE-SU-2020:1255-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_32 | 9-2.2 | SUSE-SU-2020:2491-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_33 | 7-2.2 | SUSE-SU-2020:2492-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 1-3.3.1 | SUSE-SU-2020:1255-1 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.12.1 | SUSE-SU-2020:0599-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.34.1 | SUSE-SU-2020:0560-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_5 +1 | 8-2.2 | SUSE-SU-2020:2526-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_7 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_9 | 1-3.5.1 | SUSE-SU-2020:0560-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.52.1 | SUSE-SU-2020:1663-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_14 +1 | 8-2.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_16 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_18 | 1-1.5.1 | SUSE-SU-2020:1663-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.17.1 | SUSE-SU-2020:0580-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_0 | 6-15.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_1 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2506-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_3 | 1-8.5.1 | SUSE-SU-2020:0580-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.48.1 | SUSE-SU-2020:0584-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_10 +1 | 6-2.2 | SUSE-SU-2020:2506-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_12 | 1-6.3.1 | SUSE-SU-2020:0584-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_8 | 8-2.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_9 | 7-2.2 | SUSE-SU-2020:2505-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.52.1 | SUSE-SU-2020:1663-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.17.1 | SUSE-SU-2020:0613-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.129.1 | SUSE-SU-2020:1255-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_34 | 1-3.3.1 | SUSE-SU-2020:1255-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.116.1 | SUSE-SU-2020:1275-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_31 | 1-4.3.1 | SUSE-SU-2020:1275-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.40.1 | openSUSE-SU-2020:0336-1 |
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 | 4.1.12-124.46.3.el7uek | ELSA-2021-9002, ELSA-2020-5804 |
| Oracle Linux 7 | kernel-uek-tools +3 | 4.14.35-1902.305.4.el7uek | ELSA-2020-5804 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.el7 | ELSA-2020-5804, ELSA-2020-4060 |
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
-
Trinadh465/linux-4.19.72_CVE-2019-19447 ★ 0 · Nov 27, 2023
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 35
- 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
- RHSA-2020:2104 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DLA-2114-1 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-2020:0599-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2506-1 Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP5) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2505-1 Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1255-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0584-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0559-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0580-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2513-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2491-1 Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0336-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0560-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2526-1 Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2492-1 Security update for the Linux Kernel (Live Patch 33 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2498-1 Security update for the Linux Kernel (Live Patch 30 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1663-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0511-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2497-1 Security update for the Linux Kernel (Live Patch 29 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0093-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0613-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2020:1275-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2021-9002 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 7, 2021
- 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-2020-5804 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2020
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
- https://security.netapp.com/advisory/ntap-20200103-0001/
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update mailing-list
- openSUSE-SU-2020:0336 vendor-advisory
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update mailing-list
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update mailing-list