Bug 1226851 (CVE-2024-38623)

Summary:	VUL-0: CVE-2024-38623: kernel: fs/ntfs3: Use variable length array instead of fixed size
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	gabriele.sonnu, mhocko
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/411760/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-38623:5.5:(AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-06-24 10:17:53 UTC

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Use variable length array instead of fixed size

Should fix smatch warning:
	ntfs_set_label() error: __builtin_memcpy() 'uni->name' too small (20 vs 256)

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-38623
https://www.cve.org/CVERecord?id=CVE-2024-38623
https://git.kernel.org/stable/c/1997cdc3e727526aa5d84b32f7cbb3f56459b7ef
https://git.kernel.org/stable/c/1fe1c9dc21ee52920629d2d9b9bd84358931a8d1
https://git.kernel.org/stable/c/3839a9b19a4b70eff6b6ad70446f639f7fd5a3d7
https://git.kernel.org/stable/c/a2de301d90b782ac5d7a5fe32995caaee9ab3a0f
https://git.kernel.org/stable/c/cceef44b34819c24bb6ed70dce5b524bd3e368d1
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-38623.mbox
https://bugzilla.redhat.com/show_bug.cgi?id=2293704

Comment 2 Michal Hocko 2024-06-25 11:41:46 UTC

git grep CONFIG_NTFS3_FS origin/SLE15-SP6 -- config
origin/SLE15-SP6:config/arm64/default:# CONFIG_NTFS3_FS is not set
origin/SLE15-SP6:config/armv7hl/default:# CONFIG_NTFS3_FS is not set
origin/SLE15-SP6:config/ppc64le/default:# CONFIG_NTFS3_FS is not set
origin/SLE15-SP6:config/s390x/default:# CONFIG_NTFS3_FS is not set
origin/SLE15-SP6:config/s390x/zfcpdump:# CONFIG_NTFS3_FS is not set
origin/SLE15-SP6:config/x86_64/default:# CONFIG_NTFS3_FS is not set