Vulnerability · Published Aug 26, 2024 · Assigned by Linux
CVE-2024-44938jfs: Fix shift-out-of-bounds in dbDiscardAG
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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.9% 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: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exiting the loop directly when negative shift is found.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.112-1 | DEBIAN-CVE-2024-44938 |
| Debian:12 | linux | 6.1.112-1 | DSA-5782-1 |
| Debian:13 | linux | 6.10.6-1 | DEBIAN-CVE-2024-44938 |
| Debian:14 | linux | 6.10.6-1 | DEBIAN-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux | 5.15.0-135.146 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux | 5.15.0-135.146 | USN-7387-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-50.51 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1080.87 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1080.87 | USN-7387-1 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1020.22 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1020.22~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1084.93 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1084.93 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1020.23 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1020.23~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1084.93.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1079.88 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1079.88 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1019.21 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1019.21~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1077.83 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1077.83 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1015.19 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1062.70 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1062.70 | USN-7387-1 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1002.4 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-50.51~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1072.75 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1072.75 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1017.17 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1017.17~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1073.75 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1075.81 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1075.81 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1076.81 | USN-7388-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1076.81 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-135.146 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-135.146 | USN-7387-1 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-50.51.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-50.51.1~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1074.75 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1074.75 | USN-7387-1 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1019.21 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1019.21~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1019.21.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1033.33 | USN-7389-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1033.33 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1021.21 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1021.21 | USN-7389-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1018.18 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1077.83 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1077.83 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1017.18 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1017.18~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1074.77 | USN-7387-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1074.77 | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1016.18 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-50.51.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-50.51.1~22.04.1 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-44938 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1017.18 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1044.48 | UBUNTU-CVE-2024-44938 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1044.48 | USN-7390-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | b40c2e665cd552eae5fbdbb878bc29a34357668e – before bb7c605a754823b86dd74f6537ccb9d38a9dec5ab40c2e665cd552eae5fbdbb878bc29a34357668e – before 4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9b40c2e665cd552eae5fbdbb878bc29a34357668e – before bd04a149e3a29e7f71b7956ed41dba34e42d539eb40c2e665cd552eae5fbdbb878bc29a34357668e – before f650148b43949ca9e37e820804bb6026fff404f3b40c2e665cd552eae5fbdbb878bc29a34357668e – before 234e6ea0855cdb5673d54ecaf7dc5c78f3e84630b40c2e665cd552eae5fbdbb878bc29a34357668e – before 7063b80268e2593e58bee8a8d709c2f3ff93e2f2 |
| Linux | Linux | 3.7 |
References
- https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a
- https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9
- https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e
- https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3
- https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630
- https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html