1101 matches found
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...
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...
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...
CVE-2024-40981
In the Linux kernel, the following vulnerability has been resolved: batman-adv: bypass empty buckets in batadvpurgeorigref Many syzbot reports are pointing to soft lockups in batadvpurgeorigref 1 Root cause is unknown, but we can avoid spending too much time there and perhaps get more interesting...
CVE-2024-40905
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...
CVE-2024-40959
In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...
CVE-2024-40995 net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()
In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix possible infinite loop in tcfidrcheckalloc syzbot found hanging tasks waiting on rtnllock 1 A reproducer is available in the syzbot bug. When a request to add multiple actions with the same index is sent, t...
CVE-2024-40995 net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()
In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix possible infinite loop in tcfidrcheckalloc syzbot found hanging tasks waiting on rtnllock 1 A reproducer is available in the syzbot bug. When a request to add multiple actions with the same index is sent, t...
CVE-2024-40961 ipv6: prevent possible NULL deref in fib6_nh_init()
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...
CVE-2024-40959
In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...
CVE-2024-40960 ipv6: prevent possible NULL dereference in rt6_probe()
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6probe syzbot caught a NULL dereference in rt6probe 1 Bail out if in6devget returns NULL. 1 Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 ...
CVE-2024-40959 xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()
In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...
CVE-2024-40909 bpf: Fix a potential use-after-free in bpf_link_free()
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free in bpflinkfree After commit 1a80dbcb2dba, bpflink can be freed by link-ops-deallocdeferred, but the code still tests and uses link-ops-dealloc afterward, which leads to a use-after-free as...
CVE-2024-40908 bpf: Set run context for rawtp test_run callback
In the Linux kernel, the following vulnerability has been resolved: bpf: Set run context for rawtp testrun callback syzbot reported crash when rawtp program executed through the testrun interface calls bpfgetattachcookie helper or any other helper that touches task-bpfctx pointer. Setting the run...
CVE-2024-40905
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...
CVE-2024-40904
In the Linux kernel, the following vulnerability has been resolved: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages The syzbot fuzzer found that the interrupt-URB completion callback in the cdc-wdm driver was taking too long, and the driver's immediate resubmission of interru...
CVE-2024-39276
In the Linux kernel, the following vulnerability has been resolved: ext4: fix mbcacheentry's erefcnt leak in ext4xattrblockcachefind Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mbcachedestroy+0x224/0x290 Modules...
CVE-2024-39301
In the Linux kernel, the following vulnerability has been resolved: net/9p: fix uninit-value in p9clientrpc Syzbot with the help of KMSAN reported the following error: BUG: KMSAN: uninit-value in trace9pclientres include/trace/events/9p.h:146 inline BUG: KMSAN: uninit-value in...