Vulnerability · Published Jul 29, 2024 · Assigned by Linux

CVE-2024-42079gfs2: Fix NULL pointer dereference in gfs2_log_flush

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 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 81.0% 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: gfs2: Fix NULL pointer dereference in gfs2_log_flush In gfs2_jindex_free(), set sdp->sd_jdesc to NULL under the log flush lock to provide exclusion against gfs2_log_flush(). In gfs2_log_flush(), check if sdp->sd_jdesc is non-NULL before dereferencing it. Otherwise, we could run into a NULL pointer dereference when outstanding glock work races with an unmount (glock_work_func -> run_queue -> do_xmote -> inode_go_sync -> gfs2_log_flush).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9bpftool7.3.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-devel-matched5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-64k-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-abi-stablelists4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-abi-stablelists5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-cross-headers4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-cross-headers5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-debug4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-debug-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-debug-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-debug-devel-matched5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-debug-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-debug-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-debug-uki-virt5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-devel-matched5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-doc4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-doc5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-headers4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-headers5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-core4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-debug4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-debug-core4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-devel4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-modules4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-rt-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-tools4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-tools-libs4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools-libs5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools-libs-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-uki-virt5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-zfcpdump4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-devel5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-modules5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9libperf5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8perf4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9perf5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:8python3-perf4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9python3-perf5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9rtla5.14.0-427.40.1.el9_4ALSA-2024:8162
AlmaLinux:9rv5.14.0-427.40.1.el9_4ALSA-2024:8162
Debian:12linux6.1.162-1DSA-6127-1
Debian:12linux6.1.162-1DEBIAN-CVE-2024-42079
Debian:13linux6.9.8-1DEBIAN-CVE-2024-42079
Debian:14linux6.9.8-1DEBIAN-CVE-2024-42079
Rocky Linux:8kernel0:4.18.0-553.27.1.el8_10RLSA-2024:8856
Rocky Linux:9kernel0:5.14.0-427.40.1.el9_4RLSA-2024:8162
Rocky Linux:8kernel-rt0:4.18.0-553.27.1.rt7.368.el8_10RLSA-2024:8870
Ubuntu:22.04:LTSlinux5.15.0-127.137UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux5.15.0-127.137USN-7166-1
Ubuntu:24.04:LTSlinux6.8.0-48.48UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79USN-7166-2
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87USN-7186-2
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87UBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1078.87.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80USN-7166-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80UBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76USN-7166-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63USN-7166-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63UBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69USN-7166-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77USN-7186-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75USN-7166-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137USN-7166-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69USN-7166-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69UBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1032.32UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1020.20UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77USN-7166-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69USN-7166-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-riscv6.8.0-48.48.1UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-48.48.1~22.04.2UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-42079
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1009.10UBUNTU-CVE-2024-42079
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43USN-7166-4
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43UBUNTU-CVE-2024-42079

Affected products (as reported)

VendorProductVersions
Linux Linux 82218943058d5e3fe692a38b5a549479738dab33 – before c3c5cfa3170c0940bc66a142859caac07d19b9d682218943058d5e3fe692a38b5a549479738dab33 – before 5f6a84cfb33b34610623857bd93919dcb661e29b82218943058d5e3fe692a38b5a549479738dab33 – before 3429ef5f50909cee9e498c50f0c499b9397116ce82218943058d5e3fe692a38b5a549479738dab33 – before f54f9d5368a4e92ede7dd078a62788dae3a7c6ef82218943058d5e3fe692a38b5a549479738dab33 – before 35264909e9d1973ab9aaa2a1b07cda70f12bb828
Linux Linux 5.12

References