CVE-2022-26495 | Vulnetix

CVE-2022-26495 PUBLISHED CVSS 9.800000190734863 CRITICAL

In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages.

EPSS 2.83% · 85.7th percentile

Risk Scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

2.83%

85.7th percentile

Affected Products

Vendor	Product	Versions
fedoraproject	fedora	35, 36, 34
network_block_device_project	network_block_device	0
n/a	n/a	*
debian	debian_linux	10.0, 11.0, 9.0

Timeline

Mar 6, 2022 CVE Published
Mar 6, 2022 EPSS Score
Apr 27, 2022 EPSS Score
Jun 17, 2022 EPSS Score
Sep 30, 2022 EPSS Score
Nov 20, 2022 EPSS Score
Jan 11, 2023 EPSS Score
Mar 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Jun 15, 2023 EPSS Score
Aug 6, 2023 EPSS Score
Sep 26, 2023 EPSS Score

References

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