SUSE-SU-2025:0414-1
Vulnerability from csaf_suse - Published: 2025-02-11 03:33 - Updated: 2025-02-11 03:33Summary
Security update for the Linux Kernel (Live Patch 62 for SLE 12 SP5)
Notes
Title of the patch
Security update for the Linux Kernel (Live Patch 62 for SLE 12 SP5)
Description of the patch
This update for the Linux Kernel 4.12.14-122_234 fixes one issue.
The following security issue was fixed:
- CVE-2024-45016: netem: fix return value if duplicate enqueue fails (bsc#1230998).
Patchnames
SUSE-2025-414,SUSE-SLE-Live-Patching-12-SP5-2025-414
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetem: fix return value if duplicate enqueue fails\n\nThere is a bug in netem_enqueue() introduced by\ncommit 5845f706388a (\"net: netem: fix skb length BUG_ON in __skb_to_sgvec\")\nthat can lead to a use-after-free.\n\nThis commit made netem_enqueue() always return NET_XMIT_SUCCESS\nwhen a packet is duplicated, which can cause the parent qdisc\u0027s q.qlen\nto be mistakenly incremented. When this happens qlen_notify() may be\nskipped on the parent during destruction, leaving a dangling pointer\nfor some classful qdiscs like DRR.\n\nThere are two ways for the bug happen:\n\n- If the duplicated packet is dropped by rootq-\u003eenqueue() and then\n the original packet is also dropped.\n- If rootq-\u003eenqueue() sends the duplicated packet to a different qdisc\n and the original packet is dropped.\n\nIn both cases NET_XMIT_SUCCESS is returned even though no packets\nare enqueued at the netem qdisc.\n\nThe fix is to defer the enqueue of the duplicate packet until after\nthe original packet has been guaranteed to return NET_XMIT_SUCCESS.",
"title": "CVE description"
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"summary": "SUSE Bug 1230998 for CVE-2024-45016",
"url": "https://bugzilla.suse.com/1230998"
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"scores": [
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"title": "CVE-2024-45016"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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