AZL-69716 CVE-2022-49764 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent bpf program recursion for raw tracepoint probes We got report from sysbot 1 about warnings that were caused by bpf program attached to contentionbegin raw tracepoint triggering the same tracepoint by using...

CVE-2022-49878 bpf, verifier: Fix memory leak in array reallocation for stack state

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

CVE-2022-49878

Summary: CVE-2022-49878 is a Linux kernel vulnerability in the bpf verifier’s array reallocation. When realloc_array() errors (krealloc() returns NULL), callers previously set their pointers to NULL, but krealloc() leaves the original allocation untouched, causing a memory leak. The description i...

CVE-2022-49878

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

CVE-2022-49878 bpf, verifier: Fix memory leak in array reallocation for stack state

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

CVE-2022-49877

CVE-2022-49877 concerns a Linux kernel vulnerability resolved by a change in the BPF sockmap code. The issue manifests as a warning from sk_stream_kill_queues concerning sk_forward_alloc during test_sockmap selftests. The root cause was a mistaken use of msg->sg.size to replace the tosend valu...

CVE-2022-49877

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix the sk-skforwardalloc warning of skstreamkillqueues When running testsockmap selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace:...

CVE-2022-49877 bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix the sk-skforwardalloc warning of skstreamkillqueues When running testsockmap selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace:...

CVE-2022-49873

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix wrong reg type conversion in releasereference Some helper functions will allocate memory. To avoid memory leaks, the verifier requires the eBPF program to release these memories by calling the corresponding helper...

CVE-2022-49840

CVE-2022-49840 affects the Linux kernel's BPF test_run path (bpf_prog_test_run_skb) where an odd-sized user-supplied BPF program could trigger an alignment fault on aarch64 leading to use-after-free in skb handling. The issue is caused by unaligned access to skb_shared_info when KFENCE is enabled...

CVE-2022-49840 bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

CVE-2022-49840

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

CVE-2022-49840 bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

CVE-2022-49837 bpf: Fix memory leaks in __check_func_call

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49837 bpf: Fix memory leaks in __check_func_call

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49837 bpf: Fix memory leaks in __check_func_call

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49837

The CVE-2022-49837 issue affects the Linux kernel’s BPF subsystem, specifically memory leaks in __check_func_call and related exit handling. The root cause is that, in prepare_func_exit(), the callee is not released in abnormal paths after state->curframe--, so the frame is not fully freed bef...

CVE-2022-49837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49764 bpf: Prevent bpf program recursion for raw tracepoint probes

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent bpf program recursion for raw tracepoint probes We got report from sysbot 1 about warnings that were caused by bpf program attached to contentionbegin raw tracepoint triggering the same tracepoint by using...

CVE-2022-49764 bpf: Prevent bpf program recursion for raw tracepoint probes

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent bpf program recursion for raw tracepoint probes We got report from sysbot 1 about warnings that were caused by bpf program attached to contentionbegin raw tracepoint triggering the same tracepoint by using...