Description
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
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 | 4.17.14-1 | — |
| Debian 13 | linux | 4.17.14-1 | — |
| Debian 12 | linux | 4.17.14-1 | — |
| Debian 8 | linux | 3.16.59-1 | DLA-1529-1 |
| 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-gcp-6.11 +4 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-33.36 | USN-3752-1 |
| Ubuntu 18.04 LTS | linux-aws +1 | 4.15.0-1020.20 | USN-3752-1 |
| Ubuntu 18.04 LTS | linux-azure | 4.15.0-1022.23 | USN-3752-3 |
| Ubuntu 18.04 LTS | linux-gcp | 4.15.0-1018.19 | USN-3752-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1017.20 | USN-3752-3 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1021.23 | USN-3752-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-134.160 | USN-3753-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1066.76 | USN-3753-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1022.22~16.04.1 | USN-3752-3 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1018.19~16.04.2 | USN-3752-3 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-33.36~16.04.1 | USN-3752-2 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1032.38 | USN-3753-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1095.103 | USN-3753-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1099.104 | USN-3753-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-157.207 | USN-3754-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1028.31 | USN-3753-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-134.160~14.04.1 | USN-3753-2 |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-alt +1 | 4.14.0-115.7.1.el7a | RHSA-2019:0831 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1062.rt56.1022.el7 | RHSA-2019:2043 |
| RHEL 7 | perf +18 | 3.10.0-1062.el7 | RHSA-2019:2029, RHSA-2019:0831 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | kernel-docs +6 | 4.12.14-25.19.1 | SUSE-SU-2018:2980-1 |
| SLES 12 SP3 | kernel-azure +3 | 4.4.155-4.16.1 | SUSE-SU-2018:2858-1 |
| SLES 12 SP3 | kernel-docs +4 | 4.4.155-94.50.1 | SUSE-SU-2018:2776-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.95.1 | SUSE-SU-2018:3084-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_25 | 1-3.4.1 | SUSE-SU-2018:3084-1 |
| SLES 12 SP2 | lttng-modules | 2.7.1-9.6.1 | SUSE-SU-2018:3084-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-azure +2 | 4.4.155-4.16.1 | SUSE-SU-2018:2858-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.155-94.50.1 | SUSE-SU-2018:2776-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.95.1 | SUSE-SU-2018:3084-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_25 | 1-3.4.1 | SUSE-SU-2018:3084-1 |
| SLES for SAP 12 SP2 | lttng-modules | 2.7.1-9.6.1 | SUSE-SU-2018:3084-1 |
| SLE Real Time 12 SP3 | kernel-rt +3 | 4.4.155-3.23.1 | SUSE-SU-2018:2862-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-25.19.1 | SUSE-SU-2018:2981-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_5 | 1-1.3.1 | SUSE-SU-2018:2981-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_17 | 1-4.3.1 | SUSE-SU-2018:2775-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.95.1 | SUSE-SU-2018:3084-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_25 | 1-3.4.1 | SUSE-SU-2018:3084-1 |
| SUSE OpenStack Cloud 7 | lttng-modules | 2.7.1-9.6.1 | SUSE-SU-2018:3084-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.95.1 | SUSE-SU-2018:3084-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_25 | 1-3.4.1 | SUSE-SU-2018:3084-1 |
| SUSE Enterprise Storage 4 | lttng-modules | 2.7.1-9.6.1 | SUSE-SU-2018:3084-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | perf +7 | 4.14.59-68.43.amzn2 | ALAS2-2018-1051, ALAS2-2018-1050 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.23.1.el7uek | ELSA-2018-4299 |
| Oracle Linux 7 | perf +12 | 3.10.0-1062.el7 | ELSA-2019-2029 |
Advisories 23
- WID-SEC-2026-3896 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 13, 2026
- RHSA-2019:2043 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:2029 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:0831 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3754-1 linux vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3752-1 linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3752-3 linux-azure, linux-oem, linux-gcp vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3752-2 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3753-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1529-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2114-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3753-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:2981-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2775-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3084-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2980-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2858-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2776-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2862-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2-2018-1050 Critical: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 24, 2024
- ELSA-2019-2029 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 13, 2019
- ELSA-2018-4299 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 6, 2018
- ALAS2-2018-1051 Low: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 6, 2018
References
- USN-3752-2 vendor-advisory
- USN-3752-3 vendor-advisory
- USN-3753-2 vendor-advisory
- https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a
- USN-3754-1 vendor-advisory
- https://github.com/torvalds/linux/commit/bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a
- https://bugzilla.kernel.org/show_bug.cgi?id=199969
- USN-3752-1 vendor-advisory
- USN-3753-1 vendor-advisory
- RHSA-2019:0831 vendor-advisory
- RHSA-2019:2043 vendor-advisory
- RHSA-2019:2029 vendor-advisory
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update mailing-list