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Linux — Vulnerabilities & Security Advisories 17547

Browse all 17547 CVE security advisories affecting Linux. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Linux serves as the foundational operating system for the majority of internet servers, cloud infrastructure, and embedded devices, powering critical global digital services. Its open-source nature and widespread deployment have historically exposed it to diverse vulnerability classes, including remote code execution, buffer overflows, and privilege escalation flaws within kernel modules and system utilities. While the project maintains rigorous security practices, the sheer volume of code contributes to a high cumulative count of recorded Common Vulnerabilities and Exposures, currently exceeding eleven thousand. Notable incidents often stem from misconfigurations or unpatched legacy components rather than fundamental architectural failures. The community responds rapidly to disclosed threats, yet the extensive attack surface necessitates continuous vigilance. Administrators must prioritize regular updates and strict access controls to mitigate risks associated with this ubiquitous platform, ensuring stability across both enterprise and consumer environments.

CVE ID Title CVSS Severity Published
CVE-2026-80647 RDMA/hns: Fix warning in poll cq direct mode — Linux - - 2026-08-28
CVE-2026-80648 pinctrl: spacemit: fix NULL check in spacemit_pin_set_config — Linux - - 2026-08-28
CVE-2026-80645 rapidio/tsi721: prevent a bad dereference in tsi721_db_dpc() — Linux 8.1 High 2026-08-28
CVE-2026-80646 ipv6: guard against possible NULL deref in __in6_dev_stats_get() — Linux 7.5 High 2026-08-28
CVE-2026-80644 ocfs2: don't BUG_ON an invalid journal dinode — Linux - - 2026-08-28
CVE-2026-80642 liveupdate: Reference count incoming FLB data — Linux - - 2026-08-28
CVE-2026-80643 EDAC/igen6: Fix call trace due to missing release() — Linux - - 2026-08-28
CVE-2026-80641 wifi: wlcore: enable the right set of ciphers — Linux - - 2026-08-28
CVE-2026-80640 cxl/fwctl: Fix __fortify_panic — Linux - - 2026-08-28
CVE-2026-80639 cxl/test: Fix __fortify_panic — Linux - - 2026-08-28
CVE-2026-80637 netfilter: synproxy: fix unaligned memory access in timestamp adjustment — Linux 7.5 High 2026-08-28
CVE-2026-80638 ocfs2: fix out-of-bounds write in ocfs2_remove_refcount_extent — Linux 8.8 High 2026-08-28
CVE-2026-80635 wifi: wcn36xx: fix OOB read from short trigger BA firmware response — Linux 8.8 High 2026-08-28
CVE-2026-80636 netfilter: conntrack: revert ct extension genid infrastructure — Linux - - 2026-08-28
CVE-2026-80634 netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag — Linux 9.8 Critical 2026-08-28
CVE-2026-80633 iommufd: Take dma_resv lock before dma_buf_unpin() in release path — Linux 8.8 High 2026-08-28
CVE-2026-80632 wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues() — Linux - - 2026-08-28
CVE-2026-80631 btrfs: lzo: reject compressed segment that overflows the compressed input — Linux 7.5 High 2026-08-28
CVE-2026-80630 net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen — Linux 9.8 Critical 2026-08-28
CVE-2026-80629 octeontx2-af: npc: Fix size of entry2cntr_map — Linux - - 2026-08-28
CVE-2026-80627 MIPS: mm: Fix out-of-bounds write in maar_res_walk() — Linux - - 2026-08-28
CVE-2026-80628 ALSA: seq: oss: Serialize readq reset state with q->lock — Linux 7.8 High 2026-08-28
CVE-2026-80625 RDMA/hns: Fix memory leak of bonding resources — Linux - - 2026-08-28
CVE-2026-80626 powerpc/perf: fix preempt count underflow in fsl_emb_pmu_del — Linux - - 2026-08-28
CVE-2026-80624 mfd: cs42l43: Sanity check firmware size — Linux - - 2026-08-28
CVE-2026-80622 char: tlclk: fix use-after-free in tlclk_cleanup() — Linux 7.8 High 2026-08-28
CVE-2026-80623 coresight: ete: Always save state on power down — Linux - - 2026-08-28
CVE-2026-80621 PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability — Linux - - 2026-08-28
CVE-2026-80620 Revert "PCI/MSI: Unmap MSI-X region on error" — Linux - - 2026-08-28
CVE-2026-80619 apparmor: fix potential UAF in aa_replace_profiles — Linux 7.8 High 2026-08-28

This page lists every published CVE security advisory associated with Linux. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.