The Linux Kernel, the operating system core itself.
Security Fix(es):
openeuler-linux-kernel-4.19.0-cbs_destroy-NULL-ptr-deref-391216(CVE-2021-33630)
openeuler-linux-kernel-5.10.149-ext4writeinlinedata-kernelbug-365020(CVE-2021-33631)
An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg).(CVE-2023-6121)
A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation.
A perfevent's readsize can overflow, leading to an heap out-of-bounds increment or write in perfreadgroup().
We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
(CVE-2023-6931)
A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.
A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.
We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.
(CVE-2023-6932)
{ "severity": "High" }
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