CVE-2022-49374 tipc: check attribute length for bearer name

In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== BUG: KMSAN: uninit-value in stringnocheck lib/vsprintf.c:644 inline BUG: KMSAN: uninit-value in...

CVE-2022-49374

In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== BUG: KMSAN: uninit-value in stringnocheck lib/vsprintf.c:644 inline BUG: KMSAN: uninit-value in...

CVE-2022-49359 drm/panfrost: Job should reference MMU not file_priv

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Job should reference MMU not filepriv For a while now it's been allowed for a MMU context to outlive it's corresponding panfrostpriv, however the job structure still references panfrostpriv to get hold of the MMU...

CVE-2022-49349 ext4: fix use-after-free in ext4_rename_dir_prepare

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4renamedirprepare We got issue as follows: EXT4-fs loop0: mounted filesystem without journal. Opts: ,errors=continue ext4getfirstdirblock: bh-bdata=0xffff88810bee6000 len=34478 ext4getfirstdirblock:...

CVE-2022-49340 ip_gre: test csum_start instead of transport header

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49339 net: ipv6: unexport __init-annotated seg6_hmac_init()

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport init-annotated seg6hmacinit EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The access to a fre...

CVE-2022-49335 drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESALOADERDRIVEROVERRIDE=v3d glxinfo 172536.665184 BUG: kernel...

CVE-2022-49325

CVE-2022-49325 (Linux kernel) : The vulnerability concerns the TCP path where tp->snd_cwnd can be illegal (zero or negative) values. The fix adds accessors to read/set tp->snd_cwnd to catch illegal values earlier; syzbot previously triggered WARN_ON_ONCE(!tp->prior_cwnd) in a commit that...

CVE-2022-49325 tcp: add accessors to read/set tp->snd_cwnd

In the Linux kernel, the following vulnerability has been resolved: tcp: add accessors to read/set tp-sndcwnd We had various bugs over the years with code breaking the assumption that tp-sndcwnd is greater than zero. Lately, syzbot reported the WARNONONCE!tp-priorcwnd added in commit 8b8a321ff72c...

CVE-2022-49311

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192bs: Fix deadlock in rtwjoinbsseventprehandle There is a deadlock in rtwjoinbsseventprehandle, which is shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle| modtimer spinlockbh //1 | wait ...

CVE-2022-49305 drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop()

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fix deadlock in ieee80211beaconsstop There is a deadlock in ieee80211beaconsstop, which is shown below: Thread 1 | Thread 2 | ieee80211sendbeacon ieee80211beaconsstop | modtimer spinlockirqsave //1 |...

CVE-2022-49306 usb: dwc3: host: Stop setting the ACPI companion

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: host: Stop setting the ACPI companion It is no longer needed. The sysdev pointer is now used when assigning the ACPI companions to the xHCI ports and USB devices. Assigning the ACPI companion here resulted in the...

CVE-2022-49304

CVE-2022-49304 concerns a deadlock in the Linux kernel’s serial driver path (drivers/tty/serial) specifically in sa1100_set_termios(). The issue stems from a lock-order conflict: thread1 holds sport->port.lock while waiting on del_timer_sync(), while a timer handler running in thread2 also nee...

CVE-2022-49303

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192eu: Fix deadlock in rtwjoinbsseventprehandle There is a deadlock in rtwjoinbsseventprehandle, which is shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle| modtimer spinlockbh //1 | wait ...

CVE-2022-49302 USB: host: isp116x: check return value after calling platform_get_resource()

In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check return value after calling platformgetresource It will cause null-ptr-deref if platformgetresource returns NULL, we need check the return value...

CVE-2022-49286 tpm: use try_get_ops() in tpm-space.c

In the Linux kernel, the following vulnerability has been resolved: tpm: use trygetops in tpm-space.c As part of the series conversion to remove nested TPM operations: https://lore.kernel.org/all/[email protected]/ exposure of the chip-tpmmutex was removed fro...

CVE-2022-49274 ocfs2: fix crash when mount with quota enabled

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix crash when mount with quota enabled There is a reported crash when mounting ocfs2 with quota enabled. RIP: 0010:ocfs2qinfolockresinit+0x44/0x50 ocfs2 Call Trace: ocfs2localreadinfo+0xb9/0x6f0 ocfs2...

CVE-2022-49274

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix crash when mount with quota enabled There is a reported crash when mounting ocfs2 with quota enabled. RIP: 0010:ocfs2qinfolockresinit+0x44/0x50 ocfs2 Call Trace: ocfs2localreadinfo+0xb9/0x6f0 ocfs2...

CVE-2022-49272

CVE-2022-49272 affects the Linux kernel in ALSA: pcm code. The root cause is a potential AB/BA deadlock between PCM runtime→buffer_mutex and mm→mmap_lock triggered by concurrent access via ALSA and OSS during read/write and mmap/path IOCTLs. The fix replaces the buffer_mutex protection in read/wr...

CVE-2022-49269

The CVE-2022-49269 issue affects the Linux kernel CAN subsystem: isotp_bind() incorrectly validates CAN IDs, allowing a state machine path that can be reached with non-standard IDs (ex: 0x6000001 and 0xC28001) that map to 11-bit IDs 0x001. The fix sanitizes SFF/EFF CAN ID values before address ch...