CVE-2021-47126 ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix KASAN: slab-out-of-bounds Read in fib6nhflushexceptions Reported by syzbot: HEAD commit: 90c911ad Merge tag 'fixes' of git://git.kernel.org/pub/scm.. git tree:...

CVE-2021-47123 io_uring: fix ltout double free on completion race

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix illegal rmbdesc access in SMC-D connection dump A crash was found when dumping SMC-D connections. It can be reproduced by following steps: - run nginx/wrk test: smcrun nginx smcrun wrk -t 16 -c 1000 -d -H 'Connection...

CVE-2023-52598

In the Linux kernel, the following vulnerability has been resolved: s390/ptrace: handle setting of fpc register correctly If the content of the floating point control fpc register of a traced process is modified with the ptrace interface the new value is tested for validity by temporarily loading...

CVE-2024-26626 ipmr: fix kernel panic when forwarding mcast packets

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...

CVE-2023-52604 FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree

In the Linux kernel, the following vulnerability has been resolved: FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:2867:6 index 196694 is out of range for type 's81365' aka 'signed char1365' CPU: 1...

CVE-2023-52601 jfs: fix array-index-out-of-bounds in dbAdjTree

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in dbAdjTree Currently there is a bound check missing in the dbAdjTree while accessing the dmtstree. To add the required check added the bool isctl which is required to determine the size as...

CVE-2023-52599 jfs: fix array-index-out-of-bounds in diNewExt

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diNewExt Syz report UBSAN: array-index-out-of-bounds in fs/jfs/jfsimap.c:2360:2 index -878706688 is out of range for type 'struct iagctl128' CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted...

CVE-2023-52588

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to tag gcing flag on page during block migration It needs to add missing gcing flag on page during block migration, in order to garantee migrated data be persisted during checkpoint, otherwise out-of-order persistency...

CVE-2023-52586 drm/msm/dpu: Add mutex lock in control vblank irq

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Add mutex lock in control vblank irq Add a mutex lock to control vblank irq to synchronize vblank enable/disable operations happening from different threads to prevent race conditions while registering/unregistering...

Buffer overflow

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix READDIR buffer overflow If a client sends a READDIR count argument that is too small say, zero, then the buffer size calculation in the new initdirlist helper functions results in an underflow, allowing the XDR stream...

CVE-2021-47086

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: refuse to enable an unbound pipe This ioctl implicitly assumed that the socket was already bound to a valid local socket name, i.e. Phonet object. If the socket was not bound, two separate problems would occur: 1 We'd...

CVE-2021-47100 ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler module

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix UAF when uninstall ipmisi and ipmimsghandler module Hi, When testing install and uninstall of ipmisi.ko and ipmimsghandler.ko, the system crashed. The log as follows: 141.087026 BUG: unable to handle kernel paging reque...

CVE-2021-47087 tee: optee: Fix incorrect page free bug

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages struct page page has already progressed towards the end of allocation. It is incorrect to perform freepagespage, order using this pointer as we would free any...

CVE-2021-47082 tun: avoid double free in tun_free_netdev

In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit that will be called by registernetdevice. ndoinit is paired with the...

CVE-2021-47077

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Add pointer checks in qedfupdatelinkspeed The following trace was observed: 14.042059 Call Trace: 14.042061 14.042068 qedflinkupdate+0x144/0x1f0 qedf 14.042117 qedlinkupdate+0x5c/0x80 qed 14.042135...

CVE-2023-52513

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix connection failure handling In case immediate MPA request processing fails, the newly created endpoint unlinks the listening endpoint and is ready to be dropped. This special case was not handled correctly by the co...

CVE-2022-48627

In the Linux kernel, the following vulnerability has been resolved: vt: fix memory overlapping when deleting chars in the buffer A memory overlapping copy occurs when deleting a long line. This memory overlapping copy can cause data corruption when scrmemcpyw is optimized to memcpy because memcpy...

CVE-2023-52576 x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...

CVE-2023-52563 drm/meson: fix memory leak on ->hpd_notify callback

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix memory leak on -hpdnotify callback The EDID returned by drmbridgegetedid needs to be freed...