Resource management error in Linux kernel amazon ena driver

1) Resource management error

EUVDB-ID: #VU93255

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35958

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the ena_unmap_tx_buff() and ena_free_tx_bufs() functions in drivers/net/ethernet/amazon/ena/ena_netdev.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/b26aa765f7437e1bbe8db4c1641b12bd5dd378f0
http://git.kernel.org/stable/c/fdfbf54d128ab6ab255db138488f9650485795a2
http://git.kernel.org/stable/c/19ff8fed3338898b70b2aad831386c78564912e1
http://git.kernel.org/stable/c/5c7f2240d9835a7823d87f7460d8eae9f4e504c7
http://git.kernel.org/stable/c/c31baa07f01307b7ae05f3ce32b89d8e2ba0cc1d
http://git.kernel.org/stable/c/bf02d9fe00632d22fa91d34749c7aacf397b6cde

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.