CVE-2023-42754
CVE-2023-42754: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2023-42754] Kernel: ipv4: null pointer dereference in ipv4_send_dest_unreach
CVE-2023-42754Source published Source updated
A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system. Red Hat Enterprise Linux 6 and 7 are not affected by this CVE, as they did not include the upstream commit that introduced this flaw:. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-476. Red Hat fixing advisory: RHSA-2024:2950, RHSA-2024:3138, RHSA-2024:2394. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
- Affected products in this advisory
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- kernel-rt-0:4.18.0-553.rt7.342.el8_10
- kernel-0:4.18.0-553.el8_10
- kernel-0:5.14.0-427.13.1.el9_4
- RHSA-2024:2950
2 more entries in the full advisory.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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