CVE-2024-7409
published 2024-08-05CVE-2024-7409: A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a…
PriorityP339high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
1.03%
60.1th percentile
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | qemu | < qemu 1:7.2+dfsg-7+deb12u8 (bookworm) | qemu 1:7.2+dfsg-7+deb12u8 (bookworm) |
| qemu | qemu | >= 0 < 1:5.2+dfsg-11+deb11u5 | 1:5.2+dfsg-11+deb11u5 |
| qemu | qemu | >= 0 < 1:7.2+dfsg-7+deb12u8 | 1:7.2+dfsg-7+deb12u8 |
| qemu | qemu | >= 0 < 1:9.0.2+ds-3 | 1:9.0.2+ds-3 |
| qemu | qemu | >= 0 < 1:9.0.2+ds-3 | 1:9.0.2+ds-3 |
| qemu | qemu | >= 0 < 1:6.2+dfsg-2ubuntu6.27 | 1:6.2+dfsg-2ubuntu6.27 |
| qemu | qemu | >= 0 < 1:8.2.2+ds-0ubuntu1.10 | 1:8.2.2+ds-0ubuntu1.10 |
| ubuntu | qemu | — | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv8.2HIGH
vendor_ubuntu8.2HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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OSV
qemu vulnerabilities
osv·2025-09-11·CVSS 8.2
CVE-2024-3446 [HIGH] qemu vulnerabilities
qemu vulnerabilities
It was discovered that QEMU incorrectly handled certain virtio devices. A
privileged guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-3446)
It was discovered that QEMU incorrectly handled SDHCI device emulation. A
guest attacker could possibly use this issue to cause QEMU to crash,
leading to a denial of service. This issue only affected Ubuntu 22.04 LTS
and Ubuntu 24.04 LTS. (CVE-2024-3447)
It was discovered that QEMU incorrectly handled calculating the checksum
of a short-sized fragmented packet. A guest attacker could possibly use
this issue to cause QEMU to crash, leading to a denial of service. This
issue only
GHSA
GHSA-7c7g-wccp-rrhj: A flaw was found in the QEMU NBD Server
ghsa_unreviewed·2024-08-05
CVE-2024-7409 [HIGH] CWE-662 GHSA-7c7g-wccp-rrhj: A flaw was found in the QEMU NBD Server
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
OSV
CVE-2024-7409: A flaw was found in the QEMU NBD Server
osv·2024-08-05·CVSS 7.5
CVE-2024-7409 [HIGH] CVE-2024-7409: A flaw was found in the QEMU NBD Server
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Ubuntu
QEMU regression
vendor_ubuntu·2026-06-28·CVSS 3.8
CVE-2020-11947 [LOW] QEMU regression
Title: QEMU regression
Summary: USN-8412-1 introduced a regression in QEMU
USN-8412-1 fixed vulnerabilities QEMU. On Ubuntu 20.04 LTS, the fix for
CVE-2024-4467 was incomplete and prevented the creation of boot volumes
from qcow2 images. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Felipe Franciosi, Raphael Norwitz, and Peter Turschmid discovered that the
iSCSI block driver in QEMU incorrectly handled certain responses from an
iSCSI server. A remote attacker could possibly use this issue to cause
QEMU to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-1711)
It was discovered that the iSCSI block driver in QEMU incorrectly handled
certain memory operations
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2026-06-09·CVSS 3.8
CVE-2021-3416 [LOW] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
Felipe Franciosi, Raphael Norwitz, and Peter Turschmid discovered that the
iSCSI block driver in QEMU incorrectly handled certain responses from an
iSCSI server. A remote attacker could possibly use this issue to cause QEMU
to crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-1711)
It was discovered that the iSCSI block driver in QEMU incorrectly handled
certain memory operations, leading to a heap-based buffer over-read. An
attacker could possibly use this issue to expose sensitive information from
the host. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-11947)
Ziming Zhang discovered that the SM501 display driver in QEM
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2025-09-11·CVSS 8.2
CVE-2024-3446 [HIGH] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
It was discovered that QEMU incorrectly handled certain virtio devices. A
privileged guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-3446)
It was discovered that QEMU incorrectly handled SDHCI device emulation. A
guest attacker could possibly use this issue to cause QEMU to crash,
leading to a denial of service. This issue only affected Ubuntu 22.04 LTS
and Ubuntu 24.04 LTS. (CVE-2024-3447)
It was discovered that QEMU incorrectly handled calculating the checksum
of a short-sized fragmented packet. A guest attacker could possibly use
this issue to cause QE
Red Hat
QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure
vendor_redhat·2024-08-02·CVSS 7.5
CVE-2024-7409 [HIGH] CWE-662 QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure
QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Statement: This issue is classified as Moderate severity rather than Important because it primarily results in a denial of service condition rather than a more crucial impact such as data corruption, unauthorized access, or system compromise. The NULL pointer dereferen
Debian
CVE-2024-7409: qemu - A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of s...
vendor_debian·2024·CVSS 7.5
CVE-2024-7409 [HIGH] CVE-2024-7409: qemu - A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of s...
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Scope: local
bookworm: resolved (fixed in 1:7.2+dfsg-7+deb12u8)
bullseye: resolved (fixed in 1:5.2+dfsg-11+deb11u5)
forky: resolved (fixed in 1:9.0.2+ds-3)
sid: resolved (fixed in 1:9.0.2+ds-3)
trixie: resolved (fixed in 1:9.0.2+ds-3)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://access.redhat.com/errata/RHSA-2024:10518https://access.redhat.com/errata/RHSA-2024:10528https://access.redhat.com/errata/RHSA-2024:10813https://access.redhat.com/errata/RHSA-2024:6811https://access.redhat.com/errata/RHSA-2024:6818https://access.redhat.com/errata/RHSA-2024:6964https://access.redhat.com/errata/RHSA-2024:7408https://access.redhat.com/errata/RHSA-2024:8991https://access.redhat.com/errata/RHSA-2024:9136https://access.redhat.com/errata/RHSA-2024:9620https://access.redhat.com/errata/RHSA-2024:9912https://access.redhat.com/security/cve/CVE-2024-7409https://bugzilla.redhat.com/show_bug.cgi?id=2302487https://lists.debian.org/debian-lts-announce/2025/09/msg00011.htmlhttps://security.netapp.com/advisory/ntap-20250502-0008/
2024-08-05
Published