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Vulnerability Intelligence

CVE-2020-12655 | Mondoo Vulnerability Intelligence

CVE-2020-12655

MEDIUM5.5

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc

Published May 5, 2020

Modified 1 years ago

No fix available

Details

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.

References

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html WEBhttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62 WEBhttps://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62 WEBhttps://lists.debian.org/debian-lts-announce/2020/08/msg00019.html WEBhttps://lists.debian.org/debian-lts-announce/2020/10/msg00032.html WEBhttps://lists.debian.org/debian-lts-announce/2020/10/msg00034.html ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/WEBhttps://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/WEBhttps://security.netapp.com/advisory/ntap-20200608-0001/ADVISORYhttps://usn.ubuntu.com/4465-1/ADVISORYhttps://usn.ubuntu.com/4483-1/ADVISORYhttps://usn.ubuntu.com/4485-1/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2020-12655

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedMay 5, 2020

ModifiedAug 4, 2024