CentOS Linux 6 主機安裝的套件會受到 TuxCare CENTOS6：CLSA-2025：1750175787 公告中提及的多個弱點影響。

  - 已解決 Linux 核心中的下列弱點：x86/kvm: Disable kvmclock on all CPUs on shutdown Currenly, we disable kvmclock from machine_shutdown() hook and this only happens for boot CPU.
    We need to disable it for all CPUs to guard against memory corruption e.g. on restore from hibernate.
    Note, writing '0' to kvmclock MSR doesn't clear memory location, it just prevents hypervisor from updating the location so for the short while after write and while CPU is still alive, the clock remains usable and correct so we don't need to switch to some other clocksource. (CVE-2021-47110)

  - 已解決 Linux 核心中的下列弱點：media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init Syzbot reported that -1 is used as array index. The problem was in missing validation check. hdw->unit_number is initialized with -1 and then if init table walk fails this value remains unchanged. Since code blindly uses this member for array indexing adding sanity check is the easiest fix for that. hdw->workpoll initialization moved upper to prevent warning in __flush_work.
    (CVE-2022-49478)

  - 已解決 Linux 核心中的下列弱點：drm/amd/pm: fix double free in si_parse_power_table() In function si_parse_power_table(), array adev->pm.dpm.ps and its member is allocated. If the allocation of each member fails, the array itself is freed and returned with an error code. However, the array is later freed again in si_dpm_fini() function which is called when the function returns an error. This leads to potential double free of the array adev->pm.dpm.ps, as well as leak of its array members, since the members are not freed in the allocation function and the array is not nulled when freed. In addition adev->pm.dpm.num_ps, which keeps track of the allocated array member, is not updated until the member allocation is successfully finished, this could also lead to either use after free, or uninitialized variable access in si_dpm_fini(). Fix this by postponing the free of the array until si_dpm_fini() and increment adev->pm.dpm.num_ps everytime the array member is allocated. (CVE-2022-49530)

  - 已解決 Linux 核心中的下列弱點：cifs: fix potential double free during failed mount RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=2088799 (CVE-2022-49541)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

偵測

CentOS Linux 6 [TuxCare] 安全性更新：核心 / kernel-abi-whitelists / kernel-debug / kernel-debug-devel / etc 多個弱點（CENTOS6：CLSA-2025：1750175787）

high Nessus Plugin ID 353180

找不到依附元件

偵測

CentOS Linux 6 [TuxCare] 安全性更新：核心 / kernel-abi-whitelists / kernel-debug / kernel-debug-devel / etc 多個弱點 （CENTOS6：CLSA-2025：1750175787）

high Nessus Plugin ID 353180

找不到依附元件

CentOS Linux 6 [TuxCare] 安全性更新：核心 / kernel-abi-whitelists / kernel-debug / kernel-debug-devel / etc 多個弱點（CENTOS6：CLSA-2025：1750175787）