CVE-2024-42063

CVE-2024-42063: In the Linux kernel, a KMSAN-flagged uninitialized memory issue was identified in BPF devmap when calling map_lookup_elem/map_delete_elem in interpreter mode. Reproducer shows uninitialized value paths through __dev_map_lookup_elem and bpf_map_lookup_elem during BPF program execut...

UBUNTU-CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41063 Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

CVE-2024-41059 hfsplus: fix uninit-value in copy_name

In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix uninit-value in copyname syzbot reported BUG: KMSAN: uninit-value in sizedstrscpy+0xc4/0x160 sizedstrscpy+0xc4/0x160 copyname+0x2af/0x320 fs/hfsplus/xattr.c:411 hfspluslistxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750...

CVE-2024-41059 hfsplus: fix uninit-value in copy_name

In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix uninit-value in copyname syzbot reported BUG: KMSAN: uninit-value in sizedstrscpy+0xc4/0x160 sizedstrscpy+0xc4/0x160 copyname+0x2af/0x320 fs/hfsplus/xattr.c:411 hfspluslistxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750...

CVE-2024-41035 USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor Syzbot has identified a bug in usbcore see the Closes: tag below caused by our assumption that the reserved bits in an endpoint descriptor's...

CVE-2022-48836

In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usbsubmiturb which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old...

CVE-2022-48866

In the Linux kernel, the following vulnerability has been resolved: HID: hid-thrustmaster: fix OOB read in thrustmasterinterrupts Syzbot reported an slab-out-of-bounds Read in thrustmasterprobe bug. The root case is in missing validation check of actual number of endpoints. Code should not blindl...

CVE-2022-48862 vhost: fix hung thread due to erroneous iotlb entries

In the Linux kernel, the following vulnerability has been resolved: vhost: fix hung thread due to erroneous iotlb entries In vhostiotlbaddrangectx, range size can overflow to 0 when start is 0 and last is ULONGMAX. One instance where it can happen is when userspace sends an IOTLB message with...

CVE-2022-48857

CVE-2022-48857 affects the Linux kernel NFC port100 driver (drivers/nfc/port100.c). The vulnerability is a use-after-free in port100_send_complete caused by freed devm memory on probe failure due to missing usb_kill_urb() calls on the error path. Impact is described as use-after-free; remediation...

CVE-2022-48857 NFC: port100: fix use-after-free in port100_send_complete

In the Linux kernel, the following vulnerability has been resolved: NFC: port100: fix use-after-free in port100sendcomplete Syzbot reported UAF in port100sendcomplete. The root case is in missing usbkillurb calls on error handling path of -probe function. port100sendcomplete accesses devm allocat...

CVE-2022-48834 usb: usbtmc: Fix bug in pipe direction for control transfers

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fix bug in pipe direction for control transfers The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0 WARNING: CPU: 0 PID: 3813 at...

CVE-2022-48834

CVE-2022-48834 refers to a Linux kernel issue in the usb: usbtmc driver where usbtmc_ioctl_request incorrectly used usb_rcvctrlpipe() for all transfers (in or out). The fix separates control transfers by direction. The vulnerability impact described is a local issue tied to incorrect control pipe...

CVE-2022-48819

In the Linux kernel, the following vulnerability has been resolved: tcp: take care of mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing sendpage and sendmsgMSGZEROCOPY calls over the same TCP socket would again trigger the infamous warning in inetsockdestruct WARNONskforwardallocgetsk...

CVE-2022-48802

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

CVE-2022-48819 tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case

In the Linux kernel, the following vulnerability has been resolved: tcp: take care of mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing sendpage and sendmsgMSGZEROCOPY calls over the same TCP socket would again trigger the infamous warning in inetsockdestruct WARNONskforwardallocgetsk...

CVE-2022-48802 fs/proc: task_mmu.c: don't read mapcount for migration entry

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

CVE-2022-48802 fs/proc: task_mmu.c: don't read mapcount for migration entry

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

CVE-2022-48802

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...