SECUFOCUSNOW
Home›CVE index›CVE-2022-48962
Review reviewHigh

CVE-2022-48962

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

CVSS
7.8
EPSS
0.33%
25.8% percentile
CISA KEV
Not listed
Published
2024.10.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.33%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 542ae60af24f02e130e62cb3b7c23163a2350056 < 3501da8eb6d0f5f114a09ec953c54423f6f35885, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < 196e12671cb629d9f3b77b4d8bec854fc445533a, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < aceec8ab752428d8e151321479e82cc1a40fee2e, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < 296a50aa8b2982117520713edc1375777a9f8506, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < 6f4798ac9c9e98f41553c4f5e6c832c8860a6942, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < 8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9, >= 542ae60af24f02e130e62cb3b7c23163a2350056 < 4640177049549de1a43e9bc49265f0cdfce08cfd, >= 4.8, >= 4.8 < 4.9.336, >= 4.10 < 4.14.302, >= 4.15 < 4.19.269, >= 4.20 < 5.4.227, >= 5.5 < 5.10.159, >= 5.11 < 5.15.83, >= 5.16 < 6.0.13, 6.1
Fixed versions
4.9.336, 4.14.302, 4.19.269, 5.4.227, 5.10.159, 5.15.83, 6.0.13

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2022-48962 — Linux Linux, linux kernel | SECUFOCUS NOW