Qemu-Kvm Security Update — AlmaLinux 9 (ALSA-2026:39311)
This is a security release for AlmaLinux 9. The fix ships in the current release line (referenced builds: 10.1.0-17). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix-Befehle
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWas das unter einer SharedLicense-Lizenz bedeutet
qemu-kvm on AlmaLinux 9 is the exposure surface; the advisory's own severity data tops out at CVSS 5.3 (CWE-125).
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* qemu-kvm: Heap buffer overflow in virtio-blk SCSI request handling (CVE-2026-4891…
Type:
security
Severity:
low
Release date:
2026-07-31
Description:
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* qemu-kvm: Heap buffer overflow in virtio-blk SCSI request handling (CVE-2026-48914)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | qemu-kvm-tools-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 2b63c57c3287c52e741132d2bc77bfe35ccf4911e5342ec47425dce3eee40647 |
| aarch64 | qemu-img-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 2baf20a5aa28a3ffba29e6b61a4e2253114a206be6fa45b2f93f512523caf2cb |
| aarch64 | qemu-kvm-docs-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 3382e46da41c1175d3f904d983f409f9a1932a4969ee5c40ecb0ada186f04f5a |
| aarch64 | qemu-kvm-device-usb-redirect-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 3e2056492c77578b31d57269d052c8d6fc619a5c1dffd8c2b53236eb7fb1b70f |
| aarch64 | qemu-guest-agent-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 4e05131dc755c50553dac7512268629ac0dc7652165ef3773f40a42f8db0681c |
| aarch64 | qemu-kvm-block-rbd-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 6ace89f1de6354e742d46e79e7452ef4fa271b19e7cfed977dcacdcb5dc5a5c9 |
| aarch64 | qemu-kvm-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 992f4a99f2d4aeeefe558473a9148e86c76b4772f4701a9d8c0b50cdb7befe4a |
| aarch64 | qemu-kvm-device-display-virtio-gpu-pci-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 9c59cf65aaac11003470b67728536ca09c5a3e555bf66167e27cddae2b525d9a |
| aarch64 | qemu-kvm-device-usb-host-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | 9e14322c4cc7f221b6c6a34f0481b49db2dac3f0c6d32e7aaace2522d5599144 |
| aarch64 | qemu-pr-helper-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | a06517f1bf09003f7480c7384f1ddd0ddbe861d18a32d2dc1e64be05fd22ab9b |
| aarch64 | qemu-kvm-audio-pa-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | a77e7214916b897e96006c6578d58546d8cc270ae2dd20851e076303952ceda0 |
| aarch64 | qemu-kvm-core-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | a824f872d5f1a35db86f5394ef5c6c76faefc0c12a8aa100dba5870fe3b83020 |
| aarch64 | qemu-kvm-block-blkio-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | cbeddcbf54646687f1445a1c13781339a9f1e780f733cd91a6f3f95eb21333ff |
| aarch64 | qemu-kvm-device-display-virtio-gpu-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | da8b7de14dd01597f5ffeb5ad917db74caa279ece93b9687c7548ba98955667f |
| aarch64 | qemu-kvm-block-curl-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | db55df0c46a2c702da2456026a45397dd84c4d9b19915cedb571e21ecdcd7893 |
| aarch64 | qemu-kvm-common-10.1.0-17.el9_8.4.alma.1.aarch64.rpm | f109f5c5125703390f8d61ee06c4a28186f539c18634bf3f91faf3ee4feb34f7 |
| ppc64le | qemu-img-10.1.0-17.el9_8.4.alma.1.ppc64le.rpm | 335988ae1a1bf76b3eb3def905602fee01af91f0884ad235d9ad9b7ec76f1fcf |
| ppc64le | qemu-guest-agent-10.1.0-17.el9_8.4.alma.1.ppc64le.rpm | b518c307590dac55c0c6874ca25bc942485d33c1854d694a79d340bf56b2fb6f |
| s390x | qemu-kvm-device-display-virtio-gpu-ccw-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 072dac7b7611af1e35f0bd9ba1a353b1444a8a21a3e6df64967b088b9513fee1 |
| s390x | qemu-kvm-block-blkio-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 1387bfb24f9175fce7e234fe5200ec5c16fa250fbba5f97d35031db138f772fe |
| s390x | qemu-kvm-core-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 1b208d9f7cdf48260f225cdac3c74da905249870a568cf9780de25c084fb64e3 |
| s390x | qemu-kvm-device-display-virtio-gpu-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 2036c62c53343b8d2b15561b8c50144baaedb4496ac8ec78275f1adeefdecf21 |
| s390x | qemu-pr-helper-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 31f7ae9bcba6671eaf854087e6d73574117c515587a4772c43e38575c89bafe1 |
| s390x | qemu-kvm-docs-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 409414de4e20e669c826e0b891514ae3e439a532d6a06d290a660326c3b7afb5 |
| s390x | qemu-kvm-common-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 67103286a9c5430070dacb9b8284e904b5113adbe777125ed8f4457b48b2f0aa |
| s390x | qemu-kvm-block-rbd-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 877875d22fd12fd071e75137182ac1a17e21c01ca24ba64a303ecf2699459c54 |
| s390x | qemu-kvm-tools-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 91f4deac01bb9e53b661c388d992d43d8403938cbdcd35903fb0ccbe270afa56 |
| s390x | qemu-kvm-device-usb-host-10.1.0-17.el9_8.4.alma.1.s390x.rpm | 997f4378f06775d57d3969cab96e07327c36d679842f961e851e02b8d4877cd2 |
| s390x | qemu-img-10.1.0-17.el9_8.4.alma.1.s390x.rpm | ae005156c533c93e8f8e85099843cb43b8d173f5de47d71d76864c99f633fe95 |
| s390x | qemu-kvm-block-curl-10.1.0-17.el9_8.4.alma.1.s390x.rpm | afe5260ce68d8f91afd8eb6cdca911b0ec4467122f11ebc6d8924f2879a66775 |
| s390x | qemu-kvm-audio-pa-10.1.0-17.el9_8.4.alma.1.s390x.rpm | cf46b3093487afed3a941882cf2b621b92dd75c8f05b00ccedd9688f8e98766a |
| s390x | qemu-kvm-10.1.0-17.el9_8.4.alma.1.s390x.rpm | da0fe211f258a7023f1b3c259df3fa8cb1a71031709a76a0ae3a9484269a16ec |
| s390x | qemu-guest-agent-10.1.0-17.el9_8.4.alma.1.s390x.rpm | e46e142a66feb30bd4ae3657ce8d45460c2685d1468b532e613d2eb440d478e9 |
| x86_64 | qemu-kvm-device-display-virtio-gpu-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 01757245504fddfae0168cfcbc847a59b93b631674645aa9be94bbc4a033ca19 |
| x86_64 | qemu-guest-agent-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 04122be1f3dedef53b6d0ae6e44b93bd19c0c58dab850e6abf4be890a54eb190 |
| x86_64 | qemu-pr-helper-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 23daf7a568cc48f329815780ff4a00f0d0fe4713fe8ade0cb221e27aa950c678 |
| x86_64 | qemu-kvm-tools-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 2569dacefd70a01bfc001d5ab73368469e1da7c70ea63a7759db15cb18a1fe04 |
| x86_64 | qemu-kvm-audio-pa-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 336b850996b47f963faf72212f14f4821fdfa92be6d9b5f781712c156cd06ecb |
| x86_64 | qemu-kvm-device-display-virtio-gpu-pci-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 38201ff1ecdf033c86020efce4be9a49947bf439e3243fe95fa407b5172889ea |
| x86_64 | qemu-kvm-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 42ef0f6d27a620c6d3ae07367d66b0ee2f9e3bf1d1534f9bc6648631188f5cd8 |
| x86_64 | qemu-kvm-core-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 52657be4b35afb9a5ffd98e1ea44b8eda16f901a95e96aec4dd9377f3c6f212d |
| x86_64 | qemu-kvm-device-usb-redirect-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 5cc4bb81f4357e0d267861e43c36786b88daf8bac890b40cf0fc84cf5a9c70d1 |
| x86_64 | qemu-kvm-device-display-virtio-vga-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 97802a7961eee04440c8444af31661b34fbf7f3a2ff4ded5e2d52747b11cdd94 |
| x86_64 | qemu-kvm-common-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | 9be96bff008e65c95366a5faa3a80bdacfc3696bcd2ba0ef976a9fede7b9c69f |
| x86_64 | qemu-kvm-ui-opengl-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | a03464dce0efd9c0f4c84b61ba37f25a13446fde0305b86bfd8cb78f4cbb3a7b |
| x86_64 | qemu-kvm-block-curl-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | c0a8b0079e8344c55901438bf92529186350b6d0308ee9abb6b8a821042f810f |
| x86_64 | qemu-kvm-block-rbd-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | ce35772ef5b713cabf42734a3250a8f6cc5f3ed5275dc5839a4fb724d5b27fd6 |
| x86_64 | qemu-kvm-device-usb-host-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | d6e71190f7227479617dc8991b1e13fac5ba63305a2b6509a0f840170890d6b1 |
| x86_64 | qemu-kvm-ui-egl-headless-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | d6f67076b3802506b2e968bdaed0063998d5fb8b15a03344543f53a35df8018b |
| x86_64 | qemu-kvm-block-blkio-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | dcd90e23c10d405a78f6850415dc660ff73a549f83dfd3eb979b51d59734a315 |
| x86_64 | qemu-img-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | e3bf0974b719ca927f5aef83d94c4c47794cffec992ba5a1706e3a797b691767 |
| x86_64 | qemu-kvm-docs-10.1.0-17.el9_8.4.alma.1.x86_64.rpm | ee4baa21bcc2d120890418a2586e887bae752c0d2b2dc0069d6c0f7e91119708 |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
Häufig gestellte Fragen
What does ALSA-2026:39311 fix?
Which release is covered?
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