CVE-2023-54317

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function __blkdev_issue_zero_pages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio writes option, it will corrupt the content of the zero page which results in crashes of various userspace programs. Glibc assumes that memory returned by mmap is zeroed and it uses it for calloc implementation; if the newly mapped memory is not zeroed, calloc will return non-zeroed memory. Fix t...

Affected product and versions

Product

Linux

Affected versions

>= c6cd92fcabd6cc78bb1808c6a18245c842722fc1 < b7f8892f672222dbfcc721f51edc03963212b249, >= d4c637af2e56ee1ec66ee34d0ac5a13c75911aec < 98e311be44dbe31ad9c42aa067b2359bac451fda, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < 3c4a56ef7c538d16c1738ba0ccea9e7146105b5a, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < f2b478228bfdd11e358c5bc197561331f5d5c394, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < ff60b2bb680ebcaf8890814dd51084a022891469, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < be360c83f2d810493c04f999d69ec9152981e0c0, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < 63d31617883d64b43b0e2d529f0751f40713ecae, >= a00f5276e26636cbf72f24f79831026d2e2868e7 < f50714b57aecb6b3dc81d578e295f86d9c73f078, >= 1ed7c9f45fb893877ffa7cedd7aa61beaadbb328, >= 4.14.158 < 4.14.308, >= 4.19.88 < 4.19.276, >= 4.9.206 < 4.10, >= 5.0

Fixed versions

No verified fixed-version field is available yet

Technical data

CVSS vector

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

CWE

Not available