CVE-2021-47300 bpf: Fix tail_call_reachable rejection for interpreter when jit failed

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tailcallreachable rejection for interpreter when jit failed During testing of f263a81451c1 "bpf: Track subprog poke descriptors correctly and fix use-after-free" under various failure conditions, for example, when...

CVE-2021-47298

CVE-2021-47298 concerns the Linux kernel: a bpf/sockmap path could leak a message if skb_linearize fails, resolved by freeing the msg block before returning an error. Multiple connected advisories reference the same fix in the kernel; impact is a potential memory leak (no exploitation details pro...

CVE-2021-47298

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix potential memory leak on unlikely error case If skblinearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review...

SUSE CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

SUSE CVE-2024-35895

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Because BPF tracing programs can be invoked from any...

SUSE CVE-2024-35903

In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to emitpatch so it calculates the correct offset for the CALL instruction if x86calldepthemitaccounting emits code. Otherwise we will skip some instruction...

SUSE CVE-2024-35917

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpfplt pointer arithmetic Kui-Feng Lee reported a crash on s390x triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00 s390xsysbpf+0x44/0x50 dosyscall+0x244/0x300...

PT-2024-14751 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A fix has been applied to the Linux kernel to resolve an array out-of-bound access issue in the syscall tp user component of the bpf samples. Recommendations: At the moment, there is n...

CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

CVE-2024-35895

CVE-2024-35895 addresses a vulnerability in the Linux kernel's Berkeley Packet Filter BPF subsystem, specifically within the sockmap feature. The issue arises when BPF tracing programs, which can execute in various interrupt contexts, attempt to delete elements from sockmap or sockhash maps. This...

CVE-2024-35894

In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent BPF accessing lowat from a subflow socket. Alexei reported the following splat: WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflowdataready+0x147/0x1c0 Modules linked in: dummy bpftestmodO last unloaded...

CVE-2024-35903

In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to emitpatch so it calculates the correct offset for the CALL instruction if x86calldepthemitaccounting emits code. Otherwise we will skip some instruction...

CVE-2024-35905

A flaw was found in the Linux kernel. An integer overflow vulnerability exists in the access size of a stack, such that the size of the access stack can appear negative as a result of overflowing its signed int representation. This issue can result in denial of service...

CVE-2024-35917

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpfplt pointer arithmetic Kui-Feng Lee reported a crash on s390x triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00 s390xsysbpf+0x44/0x50 dosyscall+0x244/0x300...

CVE-2024-35917

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpfplt pointer arithmetic Kui-Feng Lee reported a crash on s390x triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00 s390xsysbpf+0x44/0x50 dosyscall+0x244/0x300...

DEBIAN-CVE-2024-35917

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpfplt pointer arithmetic Kui-Feng Lee reported a crash on s390x triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00 s390xsysbpf+0x44/0x50 dosyscall+0x244/0x300...

CVE-2024-35903

In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to emitpatch so it calculates the correct offset for the CALL instruction if x86calldepthemitaccounting emits code. Otherwise we will skip some instruction...

CVE-2024-35905

In the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int...

DEBIAN-CVE-2024-35903

In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to emitpatch so it calculates the correct offset for the CALL instruction if x86calldepthemitaccounting emits code. Otherwise we will skip some instruction...

CVE-2024-35896

In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposed by BPF after commit 20f2505fb436 "bpf: Try to avoid kzalloc in cgroup/s,getsockopt" setsockopt @optlen argument should be...