Vulnerability · Published May 1, 2024 · Assigned by Linux
CVE-2024-26973fat: fix uninitialized field in nostale filehandles
Medium 5.5
In plain English
A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: fat: fix uninitialized field in nostale filehandles When fat_encode_fh_nostale() encodes file handle without a parent it stores only first 10 bytes of the file handle. However the length of the file handle must be a multiple of 4 so the file handle is actually 12 bytes long and the last two bytes remain uninitialized. This is not great at we potentially leak uninitialized information with the handle to userspace. Properly initialize the full handle length.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-rt | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| Debian:12 | linux | 6.1.85-1 | DEBIAN-CVE-2024-26973 |
| Debian:13 | linux | 6.7.12-1 | DEBIAN-CVE-2024-26973 |
| Debian:14 | linux | 6.7.12-1 | DEBIAN-CVE-2024-26973 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.5.1.rt7.346.el8_10 | RLSA-2024:3627 |
| Ubuntu:22.04:LTS | linux | 5.15.0-116.126 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux | 5.15.0-116.126 | USN-6898-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-35.35 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1065.71 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1065.71 | USN-6898-3 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1009.9 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1068.77 | USN-6917-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1068.77 | UBUNTU-CVE-2024-26973 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1008.8 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1068.77.1 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1068.77.1 | USN-6917-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1064.72 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1064.72 | USN-6898-1 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1008.9 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1062.68 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1062.68 | USN-6898-1 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1004.7 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1048.55 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1048.55 | USN-6898-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1058.61 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1058.61 | USN-6898-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1006.6 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1060.66 | USN-6898-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1060.66 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1062.67 | USN-6898-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1062.67 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-116.126 | USN-6898-2 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-116.126 | UBUNTU-CVE-2024-26973 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-35.35.1 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1060.61 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1060.61 | USN-6898-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1026.26 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1015.15 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1006.6 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1063.69 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1063.69 | USN-6898-1 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1006.6 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1058.61 | UBUNTU-CVE-2024-26973 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1005.5 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-35.35.1 | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-26973 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1035.39 | UBUNTU-CVE-2024-26973 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before 9840d1897e28f8733cc1e38f97e044f987dc0a63ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before f52d7663a10a1266a2d3871a6dd8fd111edc549fea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before a276c595c3a629170b0f052a3724f755d7c6adc6ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before b7fb63e807c6dadf7ecc1d43448c4f1711d7eeeeea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before c8cc05de8e6b5612b6e9f92c385c1a064b0db375ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before 03a7e3f2ba3ca25f1da1d3898709a08db14c1abbea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before 74f852654b8b7866f15323685f1e178d3386c688ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2 – before cdd33d54e789d229d6d5007cbf3f53965ca1a5c6 |
| Linux | Linux | 3.10 |
References
- https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63
- https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f
- https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6
- https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee
- https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375
- https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb
- https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688
- https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6
- https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html