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Vulnerability · Published Oct 21, 2024 · Assigned by Linux

CVE-2024-49902jfs: check if leafidx greater than num leaves per dmap tree

High 7.8

In plain English

A high-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 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 78.6% 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: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf. Shaggy: Modified sanity check to apply to control pages as well as leaf pages.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.115-1DEBIAN-CVE-2024-49902
Debian:13linux6.11.4-1DEBIAN-CVE-2024-49902
Debian:14linux6.11.4-1DEBIAN-CVE-2024-49902
Ubuntu:22.04:LTSlinux5.15.0-127.137UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux6.8.0-54.56UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-aws6.8.0-1023.25UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1023.25~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-azure6.8.0-1025.30UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1012.12~24.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1025.30~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1078.87.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1014.15UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-gcp6.8.0-1024.26UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1011.11~24.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1024.26~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-gke6.8.0-1019.23UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1006.8UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-57.59~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-ibm6.8.0-1022.22UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1023.23~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-54.56.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-54.56.1~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1022.25UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1007.7UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1022.25~22.04.2UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1022.25.2UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1032.32UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1020.20UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1015.15UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1024.24UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-oracle6.8.0-1020.21UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1020.21~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69UBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-raspi6.8.0-1019.23UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-riscv6.8.0-53.55.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-53.55.1~22.04.1UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-49902
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-49902
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43UBUNTU-CVE-2024-49902

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before d76b9a4c283c7535ae7c7c9b14984e75402951e11da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 35b91f15f44ce3c01eba058ccb864bb04743e7921da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 2451e5917c56be45d4add786e2a059dd9c2c37c41da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 25d2a3ff02f22e215ce53355619df10cc5faa7ab1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 058aa89b3318be3d66a103ba7c68d717561e1dc61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 7fff9a9f866e99931cf6fa260288e55d016265821da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before cb0eb10558802764f07de1dc439c4609e27cb4f01da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 4a7bf6a01fb441009a6698179a739957efd88e38
Linux Linux 2.6.12

References