CVE-2023-53616 is a double-free vulnerability in the Linux kernel's JFS filesystem, specifically within the diUnmount function. This flaw occurs because the JFS_IP(ipimap)->i_imap pointer is not nulled after being freed, leading to a second free attempt if a subsequent remount operation fails. The vulnerability carries a CVSS score of 7.8 (High), indicating a local attack vector with low complexity that could lead to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.12.1, < 4.14.326CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.15, < 4.19.295CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.257CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.197CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.133CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.