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CVE-2024-42265— protect the fetch of ->fd[fd] in do_dup2() from mispredictions

EPSS 0.01% · P2
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I. Basic Information for CVE-2024-42265

Vulnerability Information
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Vulnerability Title
protect the fetch of ->fd[fd] in do_dup2() from mispredictions
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: protect the fetch of ->fd[fd] in do_dup2() from mispredictions both callers have verified that fd is not greater than ->max_fds; however, misprediction might end up with tofree = fdt->fd[fd]; being speculatively executed. That's wrong for the same reasons why it's wrong in close_fd()/file_close_fd_locked(); the same solution applies - array_index_nospec(fd, fdt->max_fds) could differ from fd only in case of speculative execution on mispredicted path.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于错误预测导致数组索引问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 8280d16172243702ed43432f826ca6130edb4086 ~ ed42e8ff509d2a61c6642d1825032072dab79f26 -
LinuxLinux 3.7 -

II. Public POCs for CVE-2024-42265

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III. Intelligence Information for CVE-2024-42265

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Same Patch Batch · Linux · 2024-08-17 · 109 CVEs total

CVE-2024-43820dm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume
CVE-2024-43833media: v4l: async: Fix NULL pointer dereference in adding ancillary links
CVE-2024-43831media: mediatek: vcodec: Handle invalid decoder vsi
CVE-2024-43832s390/uv: Don't call folio_wait_writeback() without a folio reference
CVE-2024-43830leds: trigger: Unregister sysfs attributes before calling deactivate()
CVE-2024-43829drm/qxl: Add check for drm_cvt_mode
CVE-2024-43828ext4: fix infinite loop when replaying fast_commit
CVE-2024-43827drm/amd/display: Add null check before access structs
CVE-2024-43826nfs: pass explicit offset/count to trace events
CVE-2024-43825iio: Fix the sorting functionality in iio_gts_build_avail_time_table
CVE-2024-43823PCI: keystone: Fix NULL pointer dereference in case of DT error in ks_pcie_setup_rc_app_re
CVE-2024-43824PCI: endpoint: pci-epf-test: Make use of cached 'epc_features' in pci_epf_test_core_init()
CVE-2024-43822ASoc: PCM6240: Return directly after a failed devm_kzalloc() in pcmdevice_i2c_probe()
CVE-2024-43821scsi: lpfc: Fix a possible null pointer dereference
CVE-2024-42318landlock: Don't lose track of restrictions on cred_transfer
CVE-2024-42321net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE
CVE-2024-42320s390/dasd: fix error checks in dasd_copy_pair_store()
CVE-2024-42319mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()
CVE-2024-42322ipvs: properly dereference pe in ip_vs_add_service
CVE-2024-42317mm/huge_memory: avoid PMD-size page cache if needed

Showing top 20 of 109 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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