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Linux — Vulnerabilities & Security Advisories 14936

Browse all 14936 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-2021-47332 ALSA: usx2y: Don't call free_pages_exact() with NULL address — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47331 usb: common: usb-conn-gpio: fix NULL pointer dereference of charger — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47330 tty: serial: 8250: serial_cs: Fix a memory leak in error handling path — Linux 3.3AI Low AI 2024-05-21
CVE-2021-47329 scsi: megaraid_sas: Fix resource leak in case of probe failure — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47328 scsi: iscsi: Fix conn use after free during resets — Linux 9.8 Critical 2024-05-21
CVE-2021-47327 iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails — Linux - - AI 2024-05-21
CVE-2021-47325 iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation — Linux - - AI 2024-05-21
CVE-2021-47324 watchdog: Fix possible use-after-free in wdt_startup() — Linux 7.8AI High AI 2024-05-21
CVE-2021-47322 NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47323 watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff() — Linux 7.8AI High AI 2024-05-21
CVE-2021-47321 watchdog: Fix possible use-after-free by calling del_timer_sync() — Linux 7.8AI High AI 2024-05-21
CVE-2021-47319 virtio-blk: Fix memory leak among suspend/resume procedure — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47320 nfs: fix acl memory leak of posix_acl_create() — Linux - - AI 2024-05-21
CVE-2021-47318 arch_topology: Avoid use-after-free for scale_freq_data — Linux 7.1AI High AI 2024-05-21
CVE-2021-47316 nfsd: fix NULL dereference in nfs3svc_encode_getaclres — Linux 7.5 High 2024-05-21
CVE-2021-47317 powerpc/bpf: Fix detecting BPF atomic instructions — Linux 7.8 High 2024-05-21
CVE-2021-47315 memory: fsl_ifc: fix leak of IO mapping on probe failure — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47313 cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47314 memory: fsl_ifc: fix leak of private memory on probe failure — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47312 netfilter: nf_tables: Fix dereference of null pointer flow — Linux 5.5AI Medium AI 2024-05-21
CVE-2021-47311 net: qcom/emac: fix UAF in emac_remove — Linux 7.1AI High AI 2024-05-21
CVE-2021-47310 net: ti: fix UAF in tlan_remove_one — Linux 7.1AI High AI 2024-05-21
CVE-2021-47309 net: validate lwtstate->data before returning from skb_tunnel_info() — Linux 7.8 High 2024-05-21
CVE-2021-47307 cifs: prevent NULL deref in cifs_compose_mount_options() — Linux 7.5 High 2024-05-21
CVE-2021-47308 scsi: libfc: Fix array index out of bound exception — Linux 8.8 High 2024-05-21
CVE-2021-47306 net: fddi: fix UAF in fza_probe — Linux 7.1AI High AI 2024-05-21
CVE-2021-47304 tcp: fix tcp_init_transfer() to not reset icsk_ca_initialized — Linux 9.1AI Critical AI 2024-05-21
CVE-2021-47305 dma-buf/sync_file: Don't leak fences on merge failure — Linux 3.3AI Low AI 2024-05-21
CVE-2021-47303 bpf: Track subprog poke descriptors correctly and fix use-after-free — Linux 7.8 High 2024-05-21
CVE-2021-47301 igb: Fix use-after-free error during reset — Linux 6.5AI Medium AI 2024-05-21

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.