Vulnerability Details : CVE-2022-44033
An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4040_cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open(), aka a race condition between cm4040_open() and reader_detach().
Vulnerability category: Memory Corruption
Products affected by CVE-2022-44033
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-44033
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-44033
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST |
CWE ids for CVE-2022-44033
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-44033
-
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b12f050c76f090cc6d0aebe0ef76fed79ec3f15
char: pcmcia: remove all the drivers - kernel/git/torvalds/linux.git - Linux kernel source tree
-
https://lore.kernel.org/lkml/20220919040457.GA302681@ubuntu/
[PATCH v3] char: pcmcia: cm4040_cs: Fix use-after-free in reader_fops - Hyunwoo KimMailing List;Patch;Vendor Advisory
-
https://lore.kernel.org/lkml/20220915020834.GA110086@ubuntu/
Re: [PATCH] pcmcia: synclink_cs: Fix use-after-free in mgslpc_ioctl() - Hyunwoo KimMailing List;Patch;Vendor Advisory
-
https://lore.kernel.org/lkml/20220915020834.GA110086%40ubuntu/
Re: [PATCH] pcmcia: synclink_cs: Fix use-after-free in mgslpc_ioctl() - Hyunwoo Kim
-
https://lore.kernel.org/lkml/20220919040457.GA302681%40ubuntu/
[PATCH v3] char: pcmcia: cm4040_cs: Fix use-after-free in reader_fops - Hyunwoo Kim
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