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CVE
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CVE-2018-14611Date: (C)2018-08-01   (M)2024-02-22


An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 7.1
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-104917
USN-3932-1
USN-3932-2
USN-4094-1
USN-4118-1
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://bugzilla.kernel.org/show_bug.cgi?id=199839
https://patchwork.kernel.org/patch/10503099/

CPE    2
cpe:/o:linux:linux_kernel
cpe:/o:debian:debian_linux:8.0
CWE    1
CWE-416
OVAL    9
oval:org.secpod.oval:def:58867
oval:org.secpod.oval:def:705155
oval:org.secpod.oval:def:1502387
oval:org.secpod.oval:def:705111
...

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