CVE-2024-46771 can: bcm: Remove proc entry when dev is unregistered.

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Remove proc entry when dev is unregistered. syzkaller reported a warning in bcmconnect below. 0 The repro calls connect to vxcan1, removes vxcan1, and calls connect with ifindex == 0. Calling connect for a BCM socket...

Linux Kernel 5.6.13 Use-After-Free Exploit

Proof of concept exploit that uses a use-after-free vulnerability due to a race condition in MIDI devices in Linux Kernel version 5.6.13. // gcc -o exploit exploit.c -masm=intel -static -s -lpthread define GNUSOURCE include include include include include include include include include include...

CVE-2024-44941

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to cover read extent cache access with lock syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in sanitycheckextentcache+0x370/0x410 fs/f2fs/extentcache.c:46 Read of size 4 at addr ffff8880739ab220 by...

CVE-2024-43898

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2024-43893 serial: core: check uartclk for zero to avoid divide by zero

In the Linux kernel, the following vulnerability has been resolved: serial: core: check uartclk for zero to avoid divide by zero Calling ioctl TIOCSSERIAL with an invalid baudbase can result in uartclk being zero, which will result in a divide by zero error in uartgetdivisor. The check for uartcl...

CVE-2022-48923

In the Linux kernel, the following vulnerability has been resolved: btrfs: prevent copying too big compressed lzo segment Compressed length can be corrupted to be a lot larger than memory we have allocated for buffer. This will cause memcpy in copycompressedsegment to write outside of allocated...

Linux Landlock Logic Bug

Linux: landlock can be disabled thanks to missing credtransfer hook; and Smack looks dodgy too I found a logic bug that makes it possible for a process to get rid of all Landlock restrictions applied to it: When a process' cred struct is replaced, this almost always invokes the credprepare LSM...

CVE-2024-42297 f2fs: fix to don't dirty inode for readonly filesystem

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevictinode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664...

CVE-2024-42084

An unexpected file truncate flaw was found when opening files with specific parameters in the Linux kernel's file-system. This vulnerability allows a local user to corrupt specific files when having access to these files. Mitigation Mitigation for this issue is either not available or the current...

CVE-2024-42084

In the Linux kernel, the following vulnerability has been resolved: ftruncate: pass a signed offset The old ftruncate syscall, using the 32-bit offt misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally succeeds in truncati...

CVE-2024-42084 ftruncate: pass a signed offset

In the Linux kernel, the following vulnerability has been resolved: ftruncate: pass a signed offset The old ftruncate syscall, using the 32-bit offt misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally succeeds in truncati...

CVE-2024-42084 ftruncate: pass a signed offset

In the Linux kernel, the following vulnerability has been resolved: ftruncate: pass a signed offset The old ftruncate syscall, using the 32-bit offt misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally succeeds in truncati...

SUSE CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832 audit: don't deref the syscall args when checking the openat2 open_how::flags

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In CVE-2022-48832, the Linux kernel audit subsystem was fixed to prevent dereferencing the openat2 open_how.args in audit_match_perm(), which could cause an oops/page-fault. The root cause was unsafe access to syscall arguments when checking permissions, leading to potential instability. The reso...

CVE-2024-40922 io_uring/rsrc: don't lock while !TASK_RUNNING

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: don't lock while !TASKRUNNING There is a report of iorsrcrefquiesce locking a mutex while not TASKRUNNING, which is due to forgetting restoring the state back after ioruntaskworksig and attempts to break out of the...

CLSA-2024-1719568080 Fix CVE(s): CVE-2021-33631, CVE-2021-47545, CVE-2024-2201, CVE-2024-26642

CVE-url: https://ubuntu.com/security/CVE-2024-2201 - x86/cpufeatures: Add CPUIDLNX5 to track recently added Linux-defined word - x86/bugs: Change commas to semicolons in 'spectrev2' sysfs file - x86/bhi: Add support for clearing branch history at syscall entry - x86/bhi: Define SPECCTRLBHIDISS -...