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CVE-2026-42490

Medium priority
Needs evaluation

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] To create and manage guests, domctl operations are used by the control domain, a possible Xenstore...

1 affected package

xen

Package 26.04 LTS
xen Needs evaluation
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CVE-2026-42489

Medium priority
Needs evaluation

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] To create and manage guests, domctl operations are used by the control domain, a possible Xenstore...

1 affected package

xen

Package 26.04 LTS
xen Needs evaluation
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CVE-2026-42488

Medium priority
Needs evaluation

Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of...

1 affected package

xen

Package 26.04 LTS
xen Needs evaluation
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CVE-2026-42487

Medium priority
Needs evaluation

HVM guest I/O port accesses are subject to either emulation or at least translation. Translations are managed by the device model (via XEN_DOMCTL_ioport_mapping), and hence the linked list used may changed at any time. Traversal...

1 affected package

xen

Package 26.04 LTS
xen Needs evaluation
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CVE-2026-12505

Medium priority
Needs evaluation

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can...

1 affected package

cifs-utils

Package 26.04 LTS
cifs-utils Needs evaluation
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CVE-2026-53615

Medium priority
Needs evaluation

[Integer Overflow or Wraparound in libblkid/src/partitions/dos.c]

1 affected package

util-linux

Package 26.04 LTS
util-linux Needs evaluation
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CVE-2026-53614

Medium priority
Needs evaluation

[Local Privilege Escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec Bypass in SUID mount(8)]

1 affected package

util-linux

Package 26.04 LTS
util-linux Needs evaluation
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CVE-2026-53613

Medium priority
Needs evaluation

[Local Privilege Escalation via TOCTOU in mount(8) - Target Path Redirection]

1 affected package

util-linux

Package 26.04 LTS
util-linux Needs evaluation
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CVE-2026-53612

Medium priority
Needs evaluation

[Local Privilege Escalation via TOCTOU in mount(8) hook_owner.c chmod/chown]

1 affected package

util-linux

Package 26.04 LTS
util-linux Needs evaluation
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CVE-2026-47178

Medium priority
Vulnerable

[Unknown description]

1 affected package

libheif

Package 26.04 LTS
libheif Vulnerable
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