CVE-2022-49832
pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.5
References 8
git.kernel.org
- stable/c/aaf552c5d53abe4659176e099575fe870d2e4768
- stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
- stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9
- stable/c/040f726fecd88121f3b95e70369785ad452dddf9
- stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471
- stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb
- stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68
- stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce