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Vulnerability · Published Jul 29, 2024 · Assigned by Linux

CVE-2024-41030ksmbd: discard write access to the directory open

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

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 78.5% 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: ksmbd: discard write access to the directory open may_open() does not allow a directory to be opened with the write access. However, some writing flags set by client result in adding write access on server, making ksmbd incompatible with FUSE file system. Simply, let's discard the write access when opening a directory. list_add corruption. next is NULL. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:26! pc : __list_add_valid+0x88/0xbc lr : __list_add_valid+0x88/0xbc Call trace: __list_add_valid+0x88/0xbc fuse_finish_open+0x11c/0x170 fuse_open_common+0x284/0x5e8 fuse_dir_open+0x14/0x24 do_dentry_open+0x2a4/0x4e0 dentry_open+0x50/0x80 smb2_open+0xbe4/0x15a4 handle_ksmbd_work+0x478/0x5ec process_one_work+0x1b4/0x448 worker_thread+0x25c/0x430 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.106-1DEBIAN-CVE-2024-41030
Debian:13linux6.9.10-1DEBIAN-CVE-2024-41030
Debian:14linux6.9.10-1DEBIAN-CVE-2024-41030
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux6.8.0-48.48UBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux6.8.0-48.48USN-7089-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20USN-7089-3
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1USN-7089-3
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20USN-7089-2
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1USN-7090-1
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19UBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19USN-7089-2
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1USN-7089-1
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17USN-7089-6
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4USN-7156-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1USN-7089-1
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15USN-7089-2
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3UBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3USN-7089-7
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1USN-7089-7
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19USN-7095-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1USN-7095-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1USN-7095-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16USN-7089-4
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16USN-7089-3
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1USN-7089-3
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16UBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16USN-7089-5
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-riscv6.8.0-48.48.1UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-48.48.1~22.04.2UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-41030
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1009.10UBUNTU-CVE-2024-41030
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2024-41030

Affected products (as reported)

VendorProductVersions
Linux Linux 0626e6641f6b467447c81dd7678a69c66f7746cf – before 66cf853e1c7a2407f15d9f7aaa3e47d61745e3610626e6641f6b467447c81dd7678a69c66f7746cf – before 9e84b1ba5c98fb5c9f869c85db1d870354613baa0626e6641f6b467447c81dd7678a69c66f7746cf – before 198498b2049c0f11f7670be6974570e02b0cc0350626e6641f6b467447c81dd7678a69c66f7746cf – before e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd
Linux Linux 5.15

References