xen (SUSE:Linux Enterprise Module for Server Applications 15 SP4) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise Module for Server Applications 15 SP4 package xen, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (49)

• CVE-2022-33745 — CVSS 8.8 (high): insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV…
• CVE-2022-42309 — CVSS 8.8 (high): Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during…
• CVE-2022-42333 — CVSS 8.6 (high): x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2023-34325 — CVSS 7.8 (high): [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] libfsimage…
• CVE-2022-42332 — CVSS 7.8 (high): x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted…
• CVE-2023-34322 — CVSS 7.8 (high): For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself…
• CVE-2023-34326 — CVSS 7.8 (high): The caching invalidation guidelines from the AMD-Vi specification (48882—Rev 3.07-PUB—Oct 2022) is incorrect on some hardware, as…
• CVE-2022-42327 — CVSS 7.1 (high): x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and…
• CVE-2022-42320 — CVSS 7.0 (high): Xenstore: Guests can get access to Xenstore nodes of deleted domains Access rights of Xenstore nodes are per domid. When a domain is gone…
• CVE-2022-26363 — CVSS 6.7 (medium): x86 pv: Insufficient care with non-coherent mappings T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-26364 — CVSS 6.7 (medium): x86 pv: Insufficient care with non-coherent mappings T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42315 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42316 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42317 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42319 — CVSS 6.5 (medium): Xenstore: Guests can cause Xenstore to not free temporary memory When working on a request of a guest, xenstored might need to allocate…
• CVE-2022-42318 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42334 — CVSS 6.5 (medium): x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-23825 — CVSS 6.5 (medium): Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information…
• CVE-2022-29900 — CVSS 6.5 (medium): Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-depend…
• CVE-2022-33746 — CVSS 6.5 (medium): P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size…
• CVE-2022-42321 — CVSS 6.5 (medium): Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting…
• CVE-2022-40982 — CVSS 6.5 (medium): Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R)…
• CVE-2022-42311 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42312 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42313 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-42314 — CVSS 6.5 (medium): Xenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which…
• CVE-2022-26362 — CVSS 6.4 (medium): x86 pv: Race condition in typeref acquisition Xen maintains a type reference count for pages, in addition to a regular reference count…
• CVE-2022-33748 — CVSS 5.6 (medium): lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path…
• CVE-2023-34327 — CVSS 5.5 (medium): [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] AMD CPUs…
• CVE-2023-34328 — CVSS 5.5 (medium): [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] AMD CPUs…
• CVE-2022-42323 — CVSS 5.5 (medium): Xenstore: Cooperating guests can create arbitrary numbers of nodes T[his CNA information record relates to multiple CVEs; the text explains…
• CVE-2022-42325 — CVSS 5.5 (medium): Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text…
• CVE-2022-42326 — CVSS 5.5 (medium): Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text…
• CVE-2022-42310 — CVSS 5.5 (medium): Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious…
• CVE-2022-42331 — CVSS 5.5 (medium): x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one…
• CVE-2022-21123 — CVSS 5.5 (medium): Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable…
• CVE-2022-23824 — CVSS 5.5 (medium): IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information…
• CVE-2022-42322 — CVSS 5.5 (medium): Xenstore: Cooperating guests can create arbitrary numbers of nodes T[his CNA information record relates to multiple CVEs; the text explains…
• CVE-2023-20588 — CVSS 5.5 (medium): A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
• CVE-2023-20593 — CVSS 5.5 (medium): An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive…
• CVE-2023-46835 — CVSS 5.5 (medium): The current setup of the quarantine page tables assumes that the quarantine domain (dom_io) has been initialized with an address width of…
• CVE-2023-34323 — CVSS 5.5 (medium): When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes. It would be…
• CVE-2022-21125 — CVSS 5.5 (medium): Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an authenticated user to potentially enable…
• CVE-2022-21166 — CVSS 5.5 (medium): Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to…
• CVE-2023-46836 — CVSS 4.7 (medium): The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the…
• CVE-2022-27672 — CVSS 4.7 (medium): When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode…
• CVE-2023-20569 — CVSS 4.7 (medium): A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in…
• CVE-2022-33747 — CVSS 3.8 (low): Arm: unbounded memory consumption for 2nd-level page tables Certain actions require e.g. removing pages from a guest's P2M…
• CVE-2022-23816: Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none.