SB2019090444 - Multiple vulnerabilities in Linux kernel

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2019-15922)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 5.0.9. There is a NULL pointer dereference for a pf data structure if alloc_disk fails in drivers/block/paride/pf.c. A remote attacker can perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2019-15923)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 5.0.9. There is a NULL pointer dereference for a cd data structure if alloc_disk fails in drivers/block/paride/pf.c. A remote attacker can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.9
• https://github.com/torvalds/linux/commit/58ccd2d31e502c37e108b285bf3d343eb00c235b
• https://security.netapp.com/advisory/ntap-20191004-0001/
• https://github.com/torvalds/linux/commit/f0d1762554014ce0ae347b9f0d088f2c157c8c72