CVE-2022-0617 is a null pointer dereference vulnerability in the Linux kernel's UDF file system, affecting versions 4.2-rc1 through 5.17-rc2, including Debian distributions. A local attacker could exploit this flaw by triggering the udf_file_write_iter function with a malicious UDF image, leading to a system crash. Rated Medium (CVSS 5.5), it requires local access and has a high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.2.1, < 5.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
4.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.2:rc1:*:*:*:*:*:* | ||
4.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.2:rc2:*:*:*:*:*:* | ||
4.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.2:rc3:*:*:*:*:*:* | ||
4.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.2:rc4:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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CVE-2022-0617
Mar 8, 2022A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.
Feb 8, 2022kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback
Jan 24, 2022