Linux Distros 未修补的漏洞:CVE-2023-52587

medium Nessus 插件 ID 226839

简介

Linux/Unix 主机上安装的一个或多个程序包存在漏洞,但供应商表示不会修补此漏洞。

描述

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响,而供应商没有提供补丁程序。

- IB/ipoib修复 mcast 列表锁定在迭代“ipoib_mcast_join_task()”中的“priv->multicast_list”时释放“priv->lock”会为“ipoib_mcast_dev_flush()”打开一个窗口以便在处理过程中删除这些项目迭代。如果在解除锁定的同时移除 mcast,for 循环会永不停止,从而导致硬锁定(正如 RHEL 4.18.0-372.75.1.el8_6 内核中所报告的那样):任务 A(下方的 kworker/u72:2)| 任务 B(下方的 kworker/u72:0)
-----------------------------------+----------------------------------- ipoib_mcast_join_task(work) | ipoib_ib_dev_flush_light(work) spin_lock_irq(&priv->lock) | __ipoib_ib_dev_flush(priv, ...) list_for_each_entry(mcast, | ipoib_mcast_dev_flush(dev = priv->dev) &priv->multicast_list, list) | ipoib_mcast_join(dev, mcast) | spin_unlock_irq(&priv->lock) | | spin_lock_irqsave(&priv->lock, flags) | list_for_each_entry_safe(mcast, tmcast, | &priv->multicast_list, list) | list_del(&mcast->list); | list_add_tail(&mcast->list, &remove_list) | spin_unlock_irqrestore(&priv->lock, flags) spin_lock_irq(&priv->lock) | | ipoib_mcast_remove_list(&remove_list) (Here, `mcast` is no longer on the | list_for_each_entry_safe(mcast, tmcast, `priv->multicast_list` and we keep | remove_list, list) spinning on the `remove_list` of | >>> wait_for_completion(&mcast->done) the other thread which is blocked | and the list is still valid on | it's stack.) 通过保持锁定并变更为 GFP_ATOMIC 来解决此问题,以防最终休眠。遗憾的是,我们无法重现锁定问题并确认此修复,但根据代码审查,我认为此修复应该可以解决此类锁定问题。crash> bc 31 PID:747 TASK:ff1c6a1a007e8000 CPU:31 命令:kworker/u72:2 -- [异常 RIP:ipoib_mcast_join_task+0x1b1] RIP:ffffffffc0944ac1 RSP:ff646f199a8c7e00 RFLAGS:00000002 RAX:0000000000000000 RBX:ff1c6a1a04dc82f8 RCX:0000000000000000 work (&priv->mcast_task{,.work}) RDX:ff1c6a192d60ac68 RSI:0000000000000286 RDI:ff1c6a1a04dc8000 &mcast->list RBP:ff646f199a8c7e90 R8:ff1c699980019420 R9:ff1c6a1920c9a000 R10:ff646f199a8c7e00 R11:
ff1c6a191a7d9800 R12:ff1c6a192d60ac00 mcast R13:ff1c6a1d82200000 R14:ff1c6a1a04dc8000 R15:
ff1c6a1a04dc82d8 dev priv (&priv->lock) &priv->multicast_list(即 head)ORIG_RAX:ffffffffffffffff CS:
0010 SS:0018 --- <NMI exception stack> --- #5 [ff646f199a8c7e00] ffffffffc0944ac1 中的 ipoib_mcast_join_task+0x1b1 [ib_ipoib] #6 [ff646f199a8c7e98] ffffffff9bf10967 中的 process_one_work+0x1a7 crash> rx ff646f199a8c7e68 ff646f199a8c7e68:ff1c6a1a04dc82f8 <<< work = &priv->mcast_task.work crash> list -hO ipoib_dev_priv.multicast_list ff1c6a1a04dc8000 (empty) crash> ipoib_dev_priv.mcast_task.work.func,mcast_mutex.owner.counter ff1c6a1a04dc8000 mcast_task.work.func = 0xffffffffc0944910 <ipoib_mcast_join_task>, mcast_mutex.owner.counter = 0xff1c69998efec000 crash> b 8 PID:
8 任务:ff1c69998efec000 CPU:33 命令:kworker/u72:0 -- #3 [ff646f1980153d50] ffffffff9c7d7646 中的 wait_for_completion+0x96 #4 [ff646f1980153d90] ffffffffc0944dc6 中的 ipoib_mcast_remove_list+0x56 [ib_ipoib] #5 [ff646f1980153de8] ffffffffc09455a7 中的 ipoib_mcast_dev_flush+0x1a7 [ib_ipoib] #6 [ff646f1980153e58] ffffffffc09431a4 中的 __ipoib_ib_dev_flush+0x1a4 [ib_ipoib] #7 [ff
---truncated--- (CVE-2023-52587)

请注意,Nessus 依赖供应商报告的程序包是否存在进行判断。

解决方案

目前尚未有任何已知的解决方案。

另见

https://access.redhat.com/security/cve/cve-2023-52587

https://ubuntu.com/security/CVE-2023-52587

插件详情

严重性: Medium

ID: 226839

文件名: unpatched_CVE_2023_52587.nasl

版本: 1.2

类型: local

代理: unix

系列: Misc.

发布时间: 2025/3/5

最近更新时间: 2025/8/10

支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

风险信息

VPR

风险因素: Medium

分数: 4.4

CVSS v2

风险因素: Medium

基本分数: 4.9

时间分数: 3.8

矢量: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS 分数来源: CVE-2023-52587

CVSS v3

风险因素: Medium

基本分数: 5.5

时间分数: 5

矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-hwe, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-edge, p-cpe:/a:canonical:ubuntu_linux:linux, p-cpe:/a:canonical:ubuntu_linux:linux-intel-5.13, cpe:/o:centos:centos:8, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.0, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-aws-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-riscv, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.17, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:canonical:ubuntu_linux:linux-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.15, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-azure, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.3, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:canonical:ubuntu_linux:linux-gke, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.3, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fips, p-cpe:/a:canonical:ubuntu_linux:linux-oem, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.19, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-allwinner-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-aws-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-aws-fips, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.0, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-aws, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.10, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.0, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-azure-4.15, p-cpe:/a:centos:centos:kernel, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-lts-xenial, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-fips, p-cpe:/a:canonical:ubuntu_linux:linux-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-fips, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-gke-4.15, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.8, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.6, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.11, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-aws-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.14, p-cpe:/a:centos:centos:kernel-rt, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-4.15, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde-6.2

必需的 KB 项: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

可利用: true

易利用性: Exploits are available

漏洞发布日期: 2021/7/21

参考资料信息

CVE: CVE-2023-52587