SB2024091288 - SUSE update for qemu
Published: September 12, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Stack-based buffer overflow (CVE-ID: CVE-2023-6693)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error 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. A local user can trigger a stack based buffer overflow and execute arbitrary code on the system.
2) Heap-based buffer overflow (CVE-ID: CVE-2024-3447)
The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the SDHCI device emulation. A malicious guest can set both "s->data_count" and the size of "s->fifo_buffer" to the value of "0x200" to trigger an out-of-bound memory access and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.