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
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Sep 2, 2024 | Jul 29, 2024 |
| Ubuntu | — | Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1017-azureUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1016-oemUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-ibmUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-oem-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-gkeopUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1018-awsUpgrade linux-image-genericUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-awsUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-gkeop-6.8Upgrade linux-image-kvmUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-gcpUpgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-6.8.0-1017-azure-fde | Nov 4, 2024 | Jul 29, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Jul 29, 2024 |
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