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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

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.112-1DEBIAN-CVE-2024-44938
Debian:12linux6.1.112-1DSA-5782-1
Debian:13linux6.10.6-1DEBIAN-CVE-2024-44938
Debian:14linux6.10.6-1DEBIAN-CVE-2024-44938
Ubuntu:22.04:LTSlinux5.15.0-135.146UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux5.15.0-135.146USN-7387-1
Ubuntu:24.04:LTSlinux6.8.0-50.51UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws5.15.0-1080.87UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws5.15.0-1080.87USN-7387-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1020.22UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1020.22~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure5.15.0-1084.93USN-7387-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1084.93UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-azure6.8.0-1020.23UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1020.23~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1084.93.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gcp5.15.0-1079.88USN-7387-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1079.88UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-gcp6.8.0-1019.21UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1019.21~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gke5.15.0-1077.83USN-7387-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1077.83UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-gke6.8.0-1015.19UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1062.70UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1062.70USN-7387-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-50.51~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-ibm5.15.0-1072.75USN-7387-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1072.75UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-ibm6.8.0-1017.17UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1017.17~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1075.81USN-7387-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1075.81UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-kvm5.15.0-1076.81USN-7388-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1076.81UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-135.146UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-135.146USN-7387-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-50.51.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-50.51.1~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1074.75UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1074.75USN-7387-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1019.21UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1019.21~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1019.21.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1033.33USN-7389-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1033.33UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1021.21UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1021.21USN-7389-1
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1018.18UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oracle5.15.0-1077.83USN-7387-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1077.83UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-oracle6.8.0-1017.18UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1017.18~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-raspi5.15.0-1074.77USN-7387-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1074.77UBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-raspi6.8.0-1016.18UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-riscv6.8.0-50.51.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-50.51.1~22.04.1UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-44938
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1044.48UBUNTU-CVE-2024-44938
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1044.48USN-7390-1

Affected products (as reported)

VendorProductVersions
Linux Linux b40c2e665cd552eae5fbdbb878bc29a34357668e – before bb7c605a754823b86dd74f6537ccb9d38a9dec5ab40c2e665cd552eae5fbdbb878bc29a34357668e – before 4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9b40c2e665cd552eae5fbdbb878bc29a34357668e – before bd04a149e3a29e7f71b7956ed41dba34e42d539eb40c2e665cd552eae5fbdbb878bc29a34357668e – before f650148b43949ca9e37e820804bb6026fff404f3b40c2e665cd552eae5fbdbb878bc29a34357668e – before 234e6ea0855cdb5673d54ecaf7dc5c78f3e84630b40c2e665cd552eae5fbdbb878bc29a34357668e – before 7063b80268e2593e58bee8a8d709c2f3ff93e2f2
Linux Linux 3.7

References