kernel: NULL pointer dereference in spk_ttyio_ldisc_close function in drivers/accessibility/speakup/spk_ttyio.c
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
|
Configuration 1 [-]
|
Configuration 2 [-]
|
Configuration 3 [-]
|
No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2483-1 | linux-4.19 security update |
EUVD |
EUVD-2020-21329 | An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack, aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once. |
Ubuntu USN |
USN-4749-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-4750-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-4751-1 | Linux kernel vulnerabilities |
No CVSS v4.0
No CVSS v3.0
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.332% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|