Описание
Security update for xen
This update for xen fixes the following issues:
Security issues fixed:
- CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area (bsc#1248807).
- CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page is mapped when a synthetic timer message has to be delivered (bsc#1248807).
- CVE-2025-58143: information leak and reference counter underflow in the Viridian interface due to race in the mapping of the reference TSC page (bsc#1248807).
Other issues fixed:
- efi: Call FreePages() only if needed (bsc#1027519).
- x86/hpet: do local APIC EOI after interrupt processing (bsc#1027519).
- x86/hvm/ioreq: Fix condition in hvm_alloc_legacy_ioreq_gfn() (bsc#1027519).
- x86/idle: Fix the C6 eoi_errata[] list to include NEHALEM_EX (bsc#1027519).
- x86/iommu: setup MMCFG ahead of IOMMU (bsc#1027519).
- x86/mce: Adjustments to intel_init_ppin() (bsc#1027519).
- x86/mkelf32: pad load segment to 2Mb boundary (bsc#1027519).
Список пакетов
SUSE Linux Enterprise Module for Basesystem 15 SP7
SUSE Linux Enterprise Module for Server Applications 15 SP7
Ссылки
- Link for SUSE-SU-2025:03172-1
- E-Mail link for SUSE-SU-2025:03172-1
- SUSE Security Ratings
- SUSE Bug 1027519
- SUSE Bug 1248807
- SUSE CVE CVE-2025-27466 page
- SUSE CVE CVE-2025-58142 page
- SUSE CVE CVE-2025-58143 page
Описание
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference TSC area. This is CVE-2025-27466. 2. A NULL pointer dereference by assuming the SIM page is mapped when a synthetic timer message has to be delivered. This is CVE-2025-58142. 3. A race in the mapping of the reference TSC page, where a guest can get Xen to free a page while still present in the guest physical to machine (p2m) page tables. This is CVE-2025-58143.
Затронутые продукты
Ссылки
- CVE-2025-27466
- SUSE Bug 1248807
Описание
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference TSC area. This is CVE-2025-27466. 2. A NULL pointer dereference by assuming the SIM page is mapped when a synthetic timer message has to be delivered. This is CVE-2025-58142. 3. A race in the mapping of the reference TSC page, where a guest can get Xen to free a page while still present in the guest physical to machine (p2m) page tables. This is CVE-2025-58143.
Затронутые продукты
Ссылки
- CVE-2025-58142
- SUSE Bug 1248807
Описание
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference TSC area. This is CVE-2025-27466. 2. A NULL pointer dereference by assuming the SIM page is mapped when a synthetic timer message has to be delivered. This is CVE-2025-58142. 3. A race in the mapping of the reference TSC page, where a guest can get Xen to free a page while still present in the guest physical to machine (p2m) page tables. This is CVE-2025-58143.
Затронутые продукты
Ссылки
- CVE-2025-58143
- SUSE Bug 1248807