Description
An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.
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 | 5.10.24-1 | — |
| Debian 13 | linux | 5.10.24-1 | — |
| Debian 12 | linux | 5.10.24-1 | — |
| Debian 10 | linux | 4.19.232-1 | DSA-5096-1 |
| Debian 9 | linux | 4.9.272-1 | DLA-2689-1 |
| Debian 9 | linux-4.19 | 4.19.232-1~deb9u1 | DLA-2941-1 |
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 | 5.4.0-74.83 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1049.51 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1048.50 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1012.15 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1044.47 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1044.46 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1016.17 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | 5.8.0-55.62~20.04.1 | USN-4984-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1040.41 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-oem-5.10 | 5.10.0-1021.22 | USN-4911-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1046.50 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1036.39 | USN-4982-1 |
| Ubuntu 20.04 LTS | linux-riscv +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | 5.8.0-26.28~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1049.51~18.04.1 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1048.50~18.04.1 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1044.47~18.04.2 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1044.46~18.04.1 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1016.17~18.04.1 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-74.83~18.04.1 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1046.50~18.04.2 | USN-4982-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1036.39~18.04.1 | USN-4982-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-348.rt7.130.el8 | RHSA-2021:4140 |
| RHEL 8 | perf +26 | 4.18.0-348.el8 | RHSA-2021:4356 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.4 EUS | kernel-rt +12 | 4.18.0-305.28.1.rt7.100.el8_4 | RHSA-2021:4648 |
| RHEL 8.4 EUS | perf +26 | 4.18.0-305.28.1.el8_4 | RHSA-2021:4650 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-tools-libs-devel | 4.18.0-348.el8 | ALSA-2021:4356 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +5 | 5.3.18-59.5.2 | SUSE-SU-2021:1977-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-38.3.1 | SUSE-SU-2021:1975-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-59.5.2.18.2.2 | SUSE-SU-2021:1977-1 |
| SLES 15 SP3 | kernel-syms +1 | 5.3.18-59.5.1 | SUSE-SU-2021:1977-1 |
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.44.1 | SUSE-SU-2021:1301-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.61.1.9.26.4 | SUSE-SU-2021:1238-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-24.61.1 | SUSE-SU-2021:1238-1 |
| SLES 15 SP1 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SLES 15 SP1 | kernel-syms +4 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SLES 15 | kernel-docs | 4.12.14-150.72.2 | SUSE-SU-2021:1573-1 |
| SLES 15 | kernel-syms +5 | 4.12.14-150.72.1 | SUSE-SU-2021:1573-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.56.1 | SUSE-SU-2021:1572-1 |
| SLES 12 SP5 | kernel-docs +3 | 4.12.14-122.71.1 | SUSE-SU-2021:1595-1 |
| SLES 12 SP5 | kernel-obs-build | 4.12.14-122.71.2 | SUSE-SU-2021:1595-1 |
Show 29 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.74.1 | SUSE-SU-2021:1596-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.144.1 | SUSE-SU-2021:1623-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_39 | 1-4.3.1 | SUSE-SU-2021:1623-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.155.1 | SUSE-SU-2021:1617-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.126.1 | SUSE-SU-2021:14724-1 |
| SLES for SAP 15 SP1 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SLES for SAP 15 SP1 | kernel-syms +3 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SLES for SAP 15 | kernel-docs | 4.12.14-150.72.2 | SUSE-SU-2021:1573-1 |
| SLES for SAP 15 | kernel-syms +4 | 4.12.14-150.72.1 | SUSE-SU-2021:1573-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.56.1 | SUSE-SU-2021:1572-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.71.1 | SUSE-SU-2021:1595-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.74.1 | SUSE-SU-2021:1596-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.144.1 | SUSE-SU-2021:1623-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_39 | 1-4.3.1 | SUSE-SU-2021:1623-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.43.1 | SUSE-SU-2021:1605-1 |
| SLE Micro 5.0 | kernel-default | 5.3.18-24.61.1 | SUSE-SU-2021:1238-1 |
| SLE Micro 5.0 | kernel-default-base | 5.3.18-24.61.1.9.26.4 | SUSE-SU-2021:1238-1 |
| SLE Micro 5.0 | kernel-rt | 5.3.18-8.7.1 | SUSE-SU-2021:1625-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-59.5.2 | SUSE-SU-2021:1977-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_1 | 1-7.5.1 | SUSE-SU-2021:1977-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.61.1 | SUSE-SU-2021:1238-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_12 | 1-5.3.4 | SUSE-SU-2021:1238-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_24 | 1-3.3.2 | SUSE-SU-2021:1624-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.72.1 | SUSE-SU-2021:1573-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_24 | 1-1.3.1 | SUSE-SU-2021:1573-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.71.1 | SUSE-SU-2021:1595-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_18 | 1-8.5.1 | SUSE-SU-2021:1595-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.74.1 | SUSE-SU-2021:1596-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_20 | 1-6.3.1 | SUSE-SU-2021:1596-1 |
| SLE HPC 15 SP1 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SLE HPC 15 SP1 | kernel-syms +3 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SLE HPC 15 | kernel-docs | 4.12.14-150.72.2 | SUSE-SU-2021:1573-1 |
| SLE HPC 15 | kernel-syms +4 | 4.12.14-150.72.1 | SUSE-SU-2021:1573-1 |
| SUSE Real Time Module 15 SP2 | kernel-rt +3 | 5.3.18-33.1 | SUSE-SU-2021:1211-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.74.1 | SUSE-SU-2021:1596-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.144.1 | SUSE-SU-2021:1623-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_39 | 1-4.3.1 | SUSE-SU-2021:1623-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.74.1 | SUSE-SU-2021:1596-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.144.1 | SUSE-SU-2021:1623-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_39 | 1-4.3.1 | SUSE-SU-2021:1623-1 |
| SUSE Manager Server 4.0 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SUSE Manager Server 4.0 | kernel-syms +4 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SUSE Manager Retail Branch Server 4.0 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SUSE Manager Retail Branch Server 4.0 | kernel-syms +3 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SUSE Manager Proxy 4.0 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SUSE Manager Proxy 4.0 | kernel-syms +3 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.144.1 | SUSE-SU-2021:1623-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_39 | 1-4.3.1 | SUSE-SU-2021:1623-1 |
| SUSE Enterprise Storage 6 | kernel-docs | 4.12.14-197.89.3 | SUSE-SU-2021:1624-1 |
| SUSE Enterprise Storage 6 | kernel-syms +3 | 4.12.14-197.89.2 | SUSE-SU-2021:1624-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | kernel-64kb +7 | 5.3.18-59.5.2 | openSUSE-SU-2021:1977-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-38.3.1 | openSUSE-SU-2021:1975-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-59.5.2.18.2.2 | openSUSE-SU-2021:1977-1 |
| openSUSE Leap 15.3 | kernel-syms +2 | 5.3.18-59.5.1 | openSUSE-SU-2021:1977-1 |
| openSUSE Leap 15.2 | kernel-default-base | 5.3.18-lp152.72.1.lp152.8.30.1 | openSUSE-SU-2021:0579-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.72.1 | openSUSE-SU-2021:0579-1 |
| openSUSE Leap 15.2 | kernel-rt +3 | 5.3.18-lp152.3.8.1 | openSUSE-SU-2021:0758-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.10.78.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-348.el8 | ELSA-2021-4356 |
| Oracle Linux 7 | kernel-uek-container | 4.14.35-2047.507.7.6.el7 | ELSA-2021-9488, ELSA-2021-9471, ELSA-2021-9221 |
| Oracle Linux 7 | kernel-uek-container-debug | 5.4.17-2102.201.3.el8 | ELSA-2021-9221 |
| Oracle Linux 7 | perf +10 | 4.14.35-2047.507.7.6.el7uek | ELSA-2021-9485, ELSA-2021-9470, ELSA-2021-9220 |
Advisories 39
- ALSA-2021:4356 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:4356 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2021:4140 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 14, 2026
- RHSA-2021:4650 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:4648 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-4984-1 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
- USN-4982-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, 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-4911-1 linux-oem-5.10 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-5096-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2689-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2941-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:1623-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1238-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1573-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1211-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14724-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1975-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1301-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1625-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1572-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1605-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1596-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1617-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0579-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0758-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1624-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1977-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1595-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1975-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2021:1977-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2022-0515 IBM Spectrum Protect: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 8, 2023
- WID-SEC-2022-0676 Juniper Junos Space: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 11, 2023
- ELSA-2021-4356 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 16, 2021
- ELSA-2021-9485 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 14, 2021
- ELSA-2021-9488 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 14, 2021
- ELSA-2021-9471 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 1, 2021
- ELSA-2021-9470 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 1, 2021
- ELSA-2021-9221 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 1, 2021
- ELSA-2021-9220 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 10, 2021
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=775c5033a0d164622d9d10dd0f0a5531639ed3ed
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8
- FEDORA-2021-f0181b8085 vendor-advisory
- FEDORA-2021-e49da8a226 vendor-advisory
- [debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update mailing-list
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update mailing-list
- DSA-5096 vendor-advisory