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Linux — Vulnerabilities & Security Advisories 11727

Browse all 11727 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 IDTitleCVSSSeverityPublished
CVE-2021-47342 ext4: fix possible UAF when remounting r/o a mmp-protected file system — Linux 6.3AIMediumAI2024-05-21
CVE-2021-47341 KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio — Linux 7.1AIHighAI2024-05-21
CVE-2021-47340 jfs: fix GPF in diFree — Linux 5.0AIMediumAI2024-05-21
CVE-2021-47339 media: v4l2-core: explicitly clear ioctl input data — Linux 3.3AILowAI2024-05-21
CVE-2021-47338 fbmem: Do not delete the mode that is still in use — Linux 7.1AIHighAI2024-05-21
CVE-2021-47336 smackfs: restrict bytes count in smk_set_cipso() — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47337 scsi: core: Fix bad pointer dereference when ehandler kthread is invalid — Linux 7.8AIHighAI2024-05-21
CVE-2021-47335 f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances — Linux 7.8AIHighAI2024-05-21
CVE-2021-47333 misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47334 misc/libmasm/module: Fix two use after free in ibmasm_init_one — Linux 7.1AIHighAI2024-05-21
CVE-2021-47332 ALSA: usx2y: Don't call free_pages_exact() with NULL address — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47330 tty: serial: 8250: serial_cs: Fix a memory leak in error handling path — Linux 3.3AILowAI2024-05-21
CVE-2021-47331 usb: common: usb-conn-gpio: fix NULL pointer dereference of charger — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47329 scsi: megaraid_sas: Fix resource leak in case of probe failure — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47328 scsi: iscsi: Fix conn use after free during resets — Linux 7.0AIHighAI2024-05-21
CVE-2021-47327 iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails — Linux--AI2024-05-21
CVE-2021-47325 iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation — Linux--AI2024-05-21
CVE-2021-47324 watchdog: Fix possible use-after-free in wdt_startup() — Linux 7.8AIHighAI2024-05-21
CVE-2021-47322 NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47323 watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff() — Linux 7.8AIHighAI2024-05-21
CVE-2021-47321 watchdog: Fix possible use-after-free by calling del_timer_sync() — Linux 7.8AIHighAI2024-05-21
CVE-2021-47320 nfs: fix acl memory leak of posix_acl_create() — Linux--AI2024-05-21
CVE-2021-47319 virtio-blk: Fix memory leak among suspend/resume procedure — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47318 arch_topology: Avoid use-after-free for scale_freq_data — Linux 7.1AIHighAI2024-05-21
CVE-2021-47316 nfsd: fix NULL dereference in nfs3svc_encode_getaclres — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47317 powerpc/bpf: Fix detecting BPF atomic instructions — Linux 7.1AIHighAI2024-05-21
CVE-2021-47315 memory: fsl_ifc: fix leak of IO mapping on probe failure — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47313 cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47314 memory: fsl_ifc: fix leak of private memory on probe failure — Linux 5.5AIMediumAI2024-05-21
CVE-2021-47312 netfilter: nf_tables: Fix dereference of null pointer flow — Linux 5.5AIMediumAI2024-05-21

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.