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CVE-2023-1583
Detail
Description
A NULL pointer dereference was found in io_file_bitmap_get in io_uring/filetable.c in the io_uring sub-component in the Linux Kernel. When fixed files are unregistered, some context information (file_alloc_{start,end} and alloc_hint) is not cleared. A subsequent request that has auto index selection enabled via IORING_FILE_INDEX_ALLOC can cause a NULL pointer dereference. An unprivileged user can use the flaw to cause a system crash.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.
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OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.1.22
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.2.9
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.19 up to (excluding) 6.1.22
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.2.9
OR
*cpe:2.3:o:linux:linux_kernel:5.19:-:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.1.22
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.2.9
Changed
Reference Type
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=02a4d923e4400a36d340ea12d8058f69ebf3a383 No Types Assigned
OR
*cpe:2.3:o:linux:linux_kernel:5.19:-:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NIST CWE-476
Changed
Reference Type
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=io_uring-6.3&id=761efd55a0227aca3a69deacdaa112fffd44fe37 No Types Assigned