CVE-2022-49849

CVE-2022-49849 fixes a Linux kernel flaw in the Btrfs dev_args_match_device path. When devid is set to (u64)-1 via ioctl, the match of devid may be skipped and device matching may succeed incorrectly. The issue was introduced by a patch that added the function used to match devices; the two match...

CVE-2022-49847 net: ethernet: ti: am65-cpsw: Fix segmentation fault at module unload

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix segmentation fault at module unload Move am65cpswnussphylinkcleanup call to after am65cpswnusscleanupndev so phylink is still valid to prevent the below Segmentation fault on module remove when...

CVE-2022-49844 can: dev: fix skb drop check

In the Linux kernel, the following vulnerability has been resolved: can: dev: fix skb drop check In commit a6d190f8c767 "can: skb: drop tx skb if in listen only mode" the priv-ctrlmode element is read even on virtual CAN interfaces that do not create the struct canpriv at startup. This...

CVE-2022-49842

CVE-2022-49842: In the Linux kernel’s ASoC core, a use-after-free in snd_soc_exit() was fixed. The root cause was a missing error check in snd_soc_init() where snd_soc_util_init() could fail and return value was ignored, causing soc_dummy_dev to be unregistered twice. The fix requires handling er...

CVE-2022-49838

In CVE-2022-49838, the Linux kernel SCTP code was fixed to clear out_curr when all fragments of the current message are pruned, preventing a NULL pointer dereference during dequeue. The issue manifested as list_del corruption and a crash traced through sctp_sched_fcfs_dequeue and related SCTP pat...

CVE-2022-49838 sctp: clear out_curr if all frag chunks of current msg are pruned

In the Linux kernel, the following vulnerability has been resolved: sctp: clear outcurr if all frag chunks of current msg are pruned A crash was reported by Zhen Chen: listdel corruption, ffffa035ddf01c18-next is NULL WARNING: CPU: 1 PID: 250682 at lib/listdebug.c:49 listdelentryvalid+0x59/0xe0...

CVE-2022-49835

CVE-2022-49835 relates to the Linux kernel ALSA: hda subsystem where memory leaks could occur in add_widget_node due to how kobject_add allocates kobject->name and may not free the kobject on error. The root cause is failure to recycle resources when kobject_add fails, leading to a potential m...

CVE-2022-49834 nilfs2: fix use-after-free bug of ns_writer on remount

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free bug of nswriter on remount If a nilfs2 filesystem is downgraded to read-only due to metadata corruption on disk and is remounted read/write, or if emergency read-only remount is performed, detaching a l...

CVE-2022-49834 nilfs2: fix use-after-free bug of ns_writer on remount

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free bug of nswriter on remount If a nilfs2 filesystem is downgraded to read-only due to metadata corruption on disk and is remounted read/write, or if emergency read-only remount is performed, detaching a l...

CVE-2022-49833

The CVE-2022-49833 issue affects the Linux kernel's btrfs zoned handling: when cloning a btrfs_device, the associated btrfs_zoned_device_info is not cloned for zoned filesystems, which can lead to a NULL pointer dereference when accessing the device’s zone_info (e.g., when activating a zone). The...

CVE-2022-49832 pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task...

CVE-2022-49831 btrfs: zoned: initialize device's zone info for seeding

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: initialize device's zone info for seeding When performing seeding on a zoned filesystem it is necessary to initialize each zoned device's btrfszoneddeviceinfo structure, otherwise mounting the filesystem will cause ...

CVE-2022-49831

The CVE relates to the Linux kernel btrfs zoned feature. The issue occurs during seeding on a zoned filesystem if each zoned device’s btrfs_zoned_device_info is not initialized, causing a NULL pointer dereference when mounting. Multiple sources confirm this vulnerability and its resolution in the...

CVE-2022-49829

CVE-2022-49829 pertains to the Linux kernel DRM scheduler exhibit: fix of fence ref counting to prevent leaking dependency fences when processes are killed. The issue involved grabbing a reference to the last scheduled fence and leaks occur due to improper fence ref counts. Connected advisories (...

CVE-2022-49829 drm/scheduler: fix fence ref counting

In the Linux kernel, the following vulnerability has been resolved: drm/scheduler: fix fence ref counting We leaked dependency fences when processes were beeing killed. Additional to that grab a reference to the last scheduled fence...

CVE-2022-49825

CVE-2022-49825 — Linux kernel (libata-transport) In ata_tport_add(), the return value of transport_add_device() is not checked, which can lead to a NULL pointer dereference during module removal when transport_remove_device() is called for a device that was not added. The vulnerability is resolve...

CVE-2022-49824 ata: libata-transport: fix error handling in ata_tlink_add()

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: fix error handling in atatlinkadd In atatlinkadd, the return value of transportadddevice is not checked. As a result, it causes null-ptr-deref while removing the module, because transportremovedevice is...

CVE-2022-49823 ata: libata-transport: fix error handling in ata_tdev_add()

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: fix error handling in atatdevadd In atatdevadd, the return value of transportadddevice is not checked. As a result, it causes null-ptr-deref while removing the module, because transportremovedevice is calle...

CVE-2022-49824 ata: libata-transport: fix error handling in ata_tlink_add()

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: fix error handling in atatlinkadd In atatlinkadd, the return value of transportadddevice is not checked. As a result, it causes null-ptr-deref while removing the module, because transportremovedevice is...

CVE-2022-49822 cifs: Fix connections leak when tlink setup failed

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix connections leak when tlink setup failed If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit. Also leak the fscache info, and for next mount with fsc, it...