What’s Vulnerable › Vulnerabilities

CVE-2022-48841: ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-16 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats() It is possible to do NULL pointer dereference in routine that updates Tx ring stats. Currently only stats and bytes are updated when ring pointer is valid, but later on ring is accessed to propagate gathered Tx stats onto VSI stats. Change the existing logic to move to next ring when ring is NULL.

Affected products

• Linux kernel: before 5.16.17; 5.17-rc1, 5.17-rc2, 5.17-rc3, 5.17-rc4, 5.17-rc5, 5.17-rc6 (+2) — fixed in 5.16.17

How to fix

Upgrade to a fixed version: Linux kernel 5.16.17. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2397270ec97c5e3009a58ac110a25e1869e9d6ff
• https://git.kernel.org/stable/c/f153546913bada41a811722f2c6d17c3243a0333
• https://git.kernel.org/stable/c/2397270ec97c5e3009a58ac110a25e1869e9d6ff
• https://git.kernel.org/stable/c/f153546913bada41a811722f2c6d17c3243a0333

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