SB2024072671 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Resource management error (CVE-ID: CVE-2022-48814)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the vsc9953_mdio_bus_alloc() and vsc9953_mdio_bus_free() functions in drivers/net/dsa/ocelot/seville_vsc9953.c. A local user can perform a denial of service (DoS) attack.

2) Improper error handling (CVE-ID: CVE-2024-36939)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the nfs_net_init() function in fs/nfs/inode.c. A local user can perform a denial of service (DoS) attack.

3) Improper locking (CVE-ID: CVE-2024-40904)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the wdm_int_callback() function in drivers/usb/class/cdc-wdm.c. A local user can perform a denial of service (DoS) attack.

4) NULL pointer dereference (CVE-ID: CVE-2024-40905)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the rt6_get_pcpu_route() function in net/ipv6/route.c, within the __fib6_drop_pcpu_from() function in net/ipv6/ip6_fib.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1898