cve-2026-31431-fleet-remediator

CVE-2026-31431 批量检查与修复工具 English 本项目用于在企业内网中对 Linux 资产进行 CVE-2026-31431 的批量巡检与修复编排。 支持批量 SSH 登录设备 支持检查漏洞相关风险线索 支持临时缓解（禁用 algifaead） 支持按发行版执行内核升级 支持输出 JSON / CSV / Markdown 报告 1. 环境要求 Python: =3.13 包管理: uv 网络: 能从执行机 SSH 到目标设备 2. 快速开始 2.1 安装依赖 root@kitploit: uv sync 项目已在 pyproject.toml 配置清华源：...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: secretmem: Disable memfdsecret if arch cannot set the direct map. The memfdsecret syscall returns -ENOSYS if !cansetdirectmap is true. This occurs, for example, in some arm64 configurations, where marking 4k PTEs in the direct ma...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The abort logic in btrfsreplacefileextents has been fixed. Error injection testing uncovered a case where a corrupt file system could occur, with an missing extent in the middle of a file. This occurs because the if...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: fix use-after-free in usbgadgetstatework A race condition during the gadget teardown can lead to a use-after-free in usbgadgetstatework, as reported by KASAN: - BUG: KASAN: invalid-access in sysfs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: qcom: A memory leak has been fixed in dwc3qcominterconnectinit. In the alloc Resources for path handle function of oficcget, resources should be released when they are no longer needed. This should be done similarly in...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: ax25: Fixed the reference count leak issue in ax25dev. The functions ax25addrax25dev and ax25devdevicedown have a reference count leak issue related to the object “ax25dev”. Memory leak issue in ax25addrax25dev: The reference...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: Restrict SOREUSEPORT to inet sockets. After the bug was identified, crypto sockets could accidentally be destroyed due to a RCU call back, as discovered by zyzbot 1. Attempting to acquire a mutex in an RCU callback is not...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Closures: Change BUGON to WARNON If a BUGON function is actually executed, it shouldn’t be considered a real BUG. For reference, this issue has occurred once during the continuous integration process. We will need more informatio...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid negative index with array access The commit 4d0c8d0aef63 “mmc: core: Use mrq.sbc in close-ended ffu” assigns previdata = idatasi - 1, but does not check that the iterator i is greater than zero. We will fix this ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The page extent mapping was set after the readfolio operation in relocateonepage. One of the CI runs triggered the following panic: Assertion failed: PagePrivatepage && page-private, in fs/btrfs/subpage.c:229 ----------...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: soc: rockchip: Fixed the refcount leak in rockchipgrfinit. offindmatchingnodeandmatch returns a node pointer with a incremented refcount. We should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: arm64: Do not call NULL in docompatalignmentfixup. doalignmentt32tohandler only fixes alignment faults for specific instructions; otherwise, it returns NULL e.g., for LDREX. When this occurs, a signal is sent to the caller...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

CVE-2026-80917

In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems On 32-bit systems the config space is too large to ioremap in one go, so pciecamcreate maps each bus segment separately and relies on the -addbus callback...

UBUNTU-CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

UBUNTU-CVE-2026-80786

In the Linux kernel, the following vulnerability has been resolved: fbdev: Wrap user-invoked calls to fbsetvar in helper Handle fbcon during display updates in fbsetvarfromuser. Check with fbcon if the mode change is possible, update hardware state and finally update fbcon. Update all callers. On...

CVE-2026-80842

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: fix use-after-free of a master VLAN's multicast context brmulticasttoggleonevlan clears BRVLFLAGMCASTENABLED under br-multicastlock before stopping a VLAN's multicast context. That is the teardown handshake:...

RHSA-2026:62640 Red Hat Security Advisory: kpatch-patch-5_14_0-687_10_1 security update

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RHSA-2026:62638 Red Hat Security Advisory: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_1 security update

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RHSA-2026:62637 Red Hat Security Advisory: kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_53_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update

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