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Medium severity5.5NVD Advisory· Published May 28, 2026· Updated Jun 9, 2026

CVE-2026-46153

CVE-2026-46153

Description

In the Linux kernel, the following vulnerability has been resolved:

8021q: delete cleared egress QoS mappings

vlan_dev_set_egress_priority() currently keeps cleared egress priority mappings in the hash as tombstones. Repeated set/clear cycles with distinct skb priorities therefore accumulate mapping nodes until device teardown and leak memory.

Delete mappings when vlan_prio is cleared instead of keeping tombstones. Now that the egress mapping lists are RCU protected, the node can be unlinked safely and freed after a grace period.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • SUSE S.A./Linux Enterprise Debuginfoinferred
  • Linux/Kernel7 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=2.6.12.1,<7.0.7
    • cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
    • (no CPE)
  • osv-coords
    pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed
    Range: < 7.0.11-1.1

Patches

Vulnerability mechanics

References

2

News mentions

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