Medium severity5.5NVD Advisory· Published Jun 24, 2026· Updated Jul 14, 2026
CVE-2026-52984
CVE-2026-52984
Description
In the Linux kernel, the following vulnerability has been resolved:
net/sched: netem: fix queue limit check to include reordered packets
The queue limit check in netem_enqueue() uses q->t_len which only counts packets in the internal tfifo. Packets placed in sch->q by the reorder path (__qdisc_enqueue_head) are not counted, allowing the total queue occupancy to exceed sch->limit under reordering.
Include sch->q.qlen in the limit check.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.4.288,<5.5
- cpe:2.3:o:linux:linux_kernel:6.13:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/0f875d52db4c921da610e481b72f03cc82fdcb72nvdPatch
- git.kernel.org/stable/c/39a66e83ea41fe845631eeb8d326953de27d13f9nvdPatch
- git.kernel.org/stable/c/4185701fcce6b426b6c3630b25330dddd9c47b0dnvdPatch
- git.kernel.org/stable/c/54b5dbacd00dedffd5e2eed76de1c3839996b5e6nvdPatch
- git.kernel.org/stable/c/74fcd8e127200a50ee22ba2b45c164722bdb9177nvdPatch
- git.kernel.org/stable/c/8450462eaf91d5d2a9e863507b16d18e814baef3nvdPatch
- git.kernel.org/stable/c/936a7dd87251f6f3e88983350833edf60fe6a80bnvdPatch
- git.kernel.org/stable/c/ef9a41b3870fb90577da5b2de5bd140022d4021envdPatch
News mentions
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