In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
syzbot reported kmemleak as below:
BUG: memory leak unreferenced object 0xffff8880122f1540 (size 32): comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................ backtrace: [<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0 [<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430 [<ffffffff81626dd4>] path_mount+0x704/0x1080 [<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0 [<ffffffff84593e14>] do_syscall_64+0x34/0xb0 [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
This patch fixes this issue by freeing mount options on error path of ntfs_fill_super().
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 |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernelUpgrade perf-debuginfoUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.90-54.138Upgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade perf | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Oct 3, 2025 | Oct 3, 2025 |
| Ubuntu | — | Upgrade linux-gcpUpgrade linux-bluefieldUpgrade linux-gkeopUpgrade linux-nvidia-tegra-5.15Upgrade linuxUpgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-riscv-5.15Upgrade linux-intel-iotgUpgrade linux-ibmUpgrade linux-kvmUpgrade linux-lowlatencyUpgrade linux-oracle-5.15Upgrade linux-realtimeUpgrade linux-oracleUpgrade linux-awsUpgrade linux-azureUpgrade linux-intel-iotg-5.15Upgrade linux-hwe-5.15Upgrade linux-gkeUpgrade linux-aws-5.15Upgrade linux-gcp-5.15Upgrade linux-raspiUpgrade linux-azure-fde-5.15Upgrade linux-lowlatency-hwe-5.15 | Oct 10, 2025 | Oct 1, 2025 |
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