CVE-2023-6693
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Qemu: virtio-net: stack buffer overflow in virtio_net_flush_tx()
A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Red Hat Enterprise Linux 8
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 8
- Platforms
- Unknown
- Default status
affected- Package
- virt-devel:rhel
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 8100020240314161907.e155f54d | unaffected | rpm | * | Unavailable | None listed |
Red Hat Enterprise Linux 8
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 8
- Platforms
- Unknown
- Default status
affected- Package
- virt:rhel
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 8100020240314161907.e155f54d | unaffected | rpm | * | Unavailable | None listed |
Red Hat Enterprise Linux 9
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 9
- Platforms
- Unknown
- Default status
affected- Package
- qemu-kvm
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 17:9.0.0-10.el9_5.3 | unaffected | rpm | * | Unavailable | None listed |
Red Hat Enterprise Linux 6
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 6
- Platforms
- Unknown
- Default status
unknown- Package
- qemu-kvm
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 7
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 7
- Platforms
- Unknown
- Default status
unknown- Package
- qemu-kvm
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 7
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 7
- Platforms
- Unknown
- Default status
unknown- Package
- qemu-kvm-ma
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 8 Advanced Virtualization
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 8 Advanced Virtualization
- Platforms
- Unknown
- Default status
affected- Package
- virt:av/qemu-kvm
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.