CVE-2024-47691 f2fs: fix to avoid use-after-free in f2fs_stop_gc_thread()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free in f2fsstopgcthread syzbot reports a f2fs bug as below: dumpstack lib/dumpstack.c:88 inline dumpstacklvl+0x241/0x360 lib/dumpstack.c:114 printreport+0xe8/0x550 mm/kasan/report.c:491...

CVE-2024-47691

CVE-2024-47691 affects the Linux kernel’s F2FS subsystem, tied to a race condition in f2fs_stop_gc_thread() that can cause a use-after-free in sbi->gc_th. The issue can occur during remount/shutdown scenarios where gc_th is freed, and a guard is needed via sb->s_umount semaphore. The descri...

CVE-2024-47689

CVE-2024-47689 affects the Linux kernel (F2FS). The vulnerability stems from f2fs_handle_critical_error() setting SB_RDONLY instead of using the filesystem’s unmount/remount protection, causing a race with freeze/thaw. Root cause: f2fs sets SB_RDONLY in an internal path; remediation proposed/impl...

CVE-2024-47690

The CVE-2024-47690 entry concerns the Linux kernel f2fs component. The vulnerability arises from the online repair mechanism for corrupted directories in f2fs_lookup(), which can generate dirty data/meta during races with readonly remount. This can leave dirty inodes after the filesystem becomes ...

CVE-2024-47690 f2fs: get rid of online repaire on corrupted directory

In the Linux kernel, the following vulnerability has been resolved: f2fs: get rid of online repaire on corrupted directory syzbot reports a f2fs bug as below: kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevictinode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704...

CVE-2024-47689 f2fs: fix to don't set SB_RDONLY in f2fs_handle_critical_error()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

CVE-2024-47689

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

CVE-2024-47689 f2fs: fix to don't set SB_RDONLY in f2fs_handle_critical_error()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

CVE-2024-47690 f2fs: get rid of online repaire on corrupted directory

In the Linux kernel, the following vulnerability has been resolved: f2fs: get rid of online repaire on corrupted directory syzbot reports a f2fs bug as below: kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevictinode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704...

CVE-2024-47690 f2fs: get rid of online repaire on corrupted directory

In the Linux kernel, the following vulnerability has been resolved: f2fs: get rid of online repaire on corrupted directory syzbot reports a f2fs bug as below: kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevictinode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704...

CVE-2024-47689 f2fs: fix to don't set SB_RDONLY in f2fs_handle_critical_error()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

CVE-2024-47690

In the Linux kernel, the following vulnerability has been resolved: f2fs: get rid of online repaire on corrupted directory syzbot reports a f2fs bug as below: kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevictinode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704...

CVE-2024-47680 f2fs: check discard support for conventional zones

In the Linux kernel, the following vulnerability has been resolved: f2fs: check discard support for conventional zones As the helper function f2fsbdevsupportdiscard shows, f2fs checks if the target block devices support discard by calling bdevmaxdiscardsectors and bdeviszoned. This check works we...

CVE-2024-47680 f2fs: check discard support for conventional zones

In the Linux kernel, the following vulnerability has been resolved: f2fs: check discard support for conventional zones As the helper function f2fsbdevsupportdiscard shows, f2fs checks if the target block devices support discard by calling bdevmaxdiscardsectors and bdeviszoned. This check works we...

CVE-2024-47680

CVE-2024-47680 affects the Linux kernel’s f2fs discard handling for conventional zones on zoned block devices. The root cause is that f2fs relied on a discard capability check performed by bdev_max_discard_sectors() and bdev_is_zoned(), which bypasses to discard even when a device doesn’t support...

CVE-2024-47680 f2fs: check discard support for conventional zones

In the Linux kernel, the following vulnerability has been resolved: f2fs: check discard support for conventional zones As the helper function f2fsbdevsupportdiscard shows, f2fs checks if the target block devices support discard by calling bdevmaxdiscardsectors and bdeviszoned. This check works we...

CVE-2024-47680

In the Linux kernel, the following vulnerability has been resolved: f2fs: check discard support for conventional zones As the helper function f2fsbdevsupportdiscard shows, f2fs checks if the target block devices support discard by calling bdevmaxdiscardsectors and bdeviszoned. This check works we...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the f2fs file system not properly handling the checking of legacy regions for discard support, which could...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from f2fs not properly checking write permissions, resulting in access control that can bypass SELinux or Landlock...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the mishandling of the f2fs file system during fault injection without a free segment, which could lead to a...