CVE-2023-52903 io_uring: lock overflowing for IOPOLL

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52903 io_uring: lock overflowing for IOPOLL

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52903 io_uring: lock overflowing for IOPOLL

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52903

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52903

CVE-2023-52903 refers to a Linux kernel issue in the io_uring subsystem, specifically a lock overflow in IOPOLL CQ processing. The description shows a syzkaller-triggered overflow path in io_cqring_event_overflow, with call traces through io_req_cqe_overflow, io_fill_cqe_req, and io_do_iopoll, an...

CVE-2023-52895 io_uring/poll: don't reissue in case of poll race on multishot request

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: don't reissue in case of poll race on multishot request A previous commit fixed a poll race that can occur, but it's only applicable for multishot requests. For a multishot request, we can safely ignore a spurious...

CVE-2023-52895

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: don't reissue in case of poll race on multishot request A previous commit fixed a poll race that can occur, but it's only applicable for multishot requests. For a multishot request, we can safely ignore a spurious...

CVE-2023-52895

CVE-2023-52895 concerns a race in the Linux kernel io_uring/poll for multishot requests. A prior commit fixed a poll race that applies only to multishot, where a spurious wakeup can be ignored since the waitqueue isn’t left. A blunt reissue of a multishot armed request could leak a buffer if prov...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that the iouring/poll component should not reissue a request when processing a multishot request...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that the iouring/poll component should add a hash when processing a ready poll request...

Unbreakable Enterprise kernel security update

5.4.17-2136.334.6 - loop: Fix a race between loop detach and loop open Gulam Mohamed Orabug: 36197800 - x86/bhi: Do not enable unnecessary BHI mitigation in OCI and Exadata VMs Alexandre Chartre Orabug: 36672495 - x86/bhi: Avoid warning in DB handler due to BHI mitigation Alexandre Chartre Orabug...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.334.6.el7 - loop: Fix a race between loop detach and loop open Gulam Mohamed Orabug: 36197800 - x86/bhi: Do not enable unnecessary BHI mitigation in OCI and Exadata VMs Alexandre Chartre Orabug: 36672495 - x86/bhi: Avoid warning in DB handler due to BHI mitigation Alexandre Chartre...

CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

SUSE CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2024-42254

CVE-2024-42254 affects the Linux kernel io_uring subsystem. The issue stems from inconsistent NULL vs IS_ERR error handling in io_alloc_pbuf_ring(), leading to a KASAN null pointer dereference in __io_remove_buffers and related cleanup paths (/io_uring/kbuf.c and io_uring.c). The vulnerability wa...

CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2024-42254 io_uring: fix error pbuf checking

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2024-42254 io_uring: fix error pbuf checking

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...