CVE-2023-52486

CVE-2023-52486 - Linux kernel / DRM framebuffer use-after-unref issue . The bug occurs in the DRM mode page flip path: after a deadlock and a retry, the code forgets to reset the framebuffer reference to NULL, so if an error happens again before re-acquiring the fb lookup, it may unref the same f...

CVE-2023-52476

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted NMI for perf sampling, this call sequence can occur most recent at top:...

CVE-2023-52476

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted NMI for perf sampling, this call sequence can occur most recent at top:...

CVE-2023-51774

The json-jwt aka JSON::JWT gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode...

CVE-2021-47053

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of pad It appears there are several failure return paths that don't seem to be free'ing pad. Fix these. Addresses-Coverity: "Resource leak"...

CVE-2021-47015

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out of order buffer completion, it means we are hitting a hardware bug a...

CVE-2021-46998

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enichardstartxmit In enichardstartxmit, it calls enicqueuewqskb. Inside enicqueuewqskb, if some error happens, the skb will be freed by devkfreeskbskb. But the freed skb is still used in...

CVE-2021-46982

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix race condition of overwrite vs truncate posfsstress testcase complains a panic as belew: ------------ cut here ------------ kernel BUG at fs/f2fs/compress.c:1082! invalid opcode: 0000 1 SMP PTI CPU: 4 PID:...

UBUNTU-CVE-2021-46988

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

CVE-2021-47023

CVE-2021-47023 is rejected/not used and not an active vulnerability entry.

CVE-2021-46998 ethernet:enic: Fix a use after free bug in enic_hard_start_xmit

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enichardstartxmit In enichardstartxmit, it calls enicqueuewqskb. Inside enicqueuewqskb, if some error happens, the skb will be freed by devkfreeskbskb. But the freed skb is still used in...

CVE-2021-46983 nvmet-rdma: Fix NULL deref when SEND is completed with error

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmetrdmaerrorcomp which tried accessing the...

Critical: Red Hat Security Advisory: OpenShift Container Platform 4.15.0 bug fix and security update

Red Hat OpenShift Container Platform release 4.15.0 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.15. Red Hat Product Security has rated this update as having a...

CVE-2021-46957

CVE-2021-46957 (Linux kernel, RISCV): The vulnerability arises when a kprobe is placed on sys_read; the first instruction is replaced with an ebreak, leading to a trap/SS single-step flow, an instruction page fault, and a subsequent path that can trigger a BUG_ON in fs/buffer.c:1251 via __find_ge...

CVE-2021-46954 net/sched: sch_frag: fix stack OOB read while fragmenting IPv4 packets

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfrag: fix stack OOB read while fragmenting IPv4 packets when 'actmirred' tries to fragment IPv4 packets that had been previously re-assembled using 'actct', splats like the following can be observed on kernels built...

CVE-2021-46939

CVE-2021-46939 affects the Linux kernel where tracing changes to trace_clock_global() could deadlock due to recursive locking during tracing; the fix uses a trylock and retry semantics to avoid blocking. Public details in connected advisories (MiracleLinux UTSA, Nessus plugin) describe the same i...

CVE-2021-46936

In the Linux kernel, the following vulnerability has been resolved: net: fix use-after-free in twtimerhandler A real world panic issue was found as follow in Linux 5.4. BUG: unable to handle page fault for address: ffffde49a863de28 PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0...

CVE-2021-46931

CVE-2021-46931 involves the Linux kernel mlx5e path (net/mlx5e, mlx5_core) where a TX-timeout-recovery flow calls mlx5e_tx_reporter_dump_sq() with a void* that is actually a mlx5e_tx_timeout_ctx*. The mismatch corrupts stack state and can trigger a kernel panic/stack overflow. The fix adds a wrap...

UBUNTU-CVE-2021-46910

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

CVE-2023-52474

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix bugs with non-PAGESIZE-end multi-iovec user SDMA requests hfi1 user SDMA request processing has two bugs that can cause data corruption for user SDMA requests that have multiple payload iovecs where an iovec other th...