Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()
Summary
A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to rea...
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| kernel.orgkernel |
< 6.4-rc6→ 6.4-rc6 |
6.4-rc6 |
| Red HatRed Hat Enterprise Linux 8 | — | Not listed |
| Red HatRed Hat Enterprise Linux 9 | — | Not listed |
| Red HatRed Hat Enterprise Linux 9.4 Extended Update Support | — | Not listed |
| Red HatRed Hat Enterprise Linux 6 | — | Not listed |
| Red HatRed Hat Enterprise Linux 7 | — | Not listed |
Fix status by distribution
Records published by each distribution for this CVE. Fixed versions differ by release; check each link.
- Debian DEBIAN-CVE-2024-0340 linux Fix available
- Ubuntu UBUNTU-CVE-2024-0340 linux-xilinx-zynqmp, linux-riscv-5.15, linux-realtime +41 more Fix available
Original description The description as published by the source.
A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.
Source: CVE.org (CVE Program・cvelistV5) NVD
References
- advisory access.redhat.com
- patch bugzilla.redhat.com
- patch lore.kernel.org
- web access.redhat.com
- web access.redhat.com
- web secalert@redhat.com
- web secalert@redhat.com
- web lists.debian.org
- web lists.debian.org