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CVE-2023-52996— ipv4: prevent potential spectre v1 gadget in fib_metrics_match()

EPSS 0.04% · P13
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I. Basic Information for CVE-2023-52996

Vulnerability Information
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Vulnerability Title
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in fib_metrics_match() if (!type) continue; if (type > RTAX_MAX) return false; ... fi_val = fi->fib_metrics->metrics[type - 1]; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.
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fib_metrics_match存在Spectre v1攻击风险。
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 5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 ~ 8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d -
LinuxLinux 4.14 -

II. Public POCs for CVE-2023-52996

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III. Intelligence Information for CVE-2023-52996

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Same Patch Batch · Linux · 2025-03-27 · 124 CVEs total

CVE-2023-52983block, bfq: fix uaf for bfqq in bic_set_bfqq()
CVE-2023-52998net: fec: Use page_pool_put_full_page when freeing rx buffers
CVE-2023-52999net: fix UaF in netns ops registration error path
CVE-2023-52997ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
CVE-2023-52995riscv/kprobe: Fix instruction simulation of JALR
CVE-2023-52994acpi: Fix suspend with Xen PV
CVE-2023-52993x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
CVE-2023-52992bpf: Skip task with pid=1 in send_signal_common()
CVE-2023-52991net: fix NULL pointer in skb_segment_list
CVE-2023-52989firewire: fix memory leak for payload of request subaction to IEC 61883-1 FCP region
CVE-2023-52988ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()
CVE-2023-52987ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()
CVE-2023-52986bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener
CVE-2023-52985arm64: dts: imx8mm-verdin: Do not power down eth-phy
CVE-2023-52984net: phy: dp83822: Fix null pointer access on DP83825/DP83826 devices
CVE-2023-52982fscache: Use wait_on_bit() to wait for the freeing of relinquished volume
CVE-2022-49761btrfs: always report error in run_one_delayed_ref()
CVE-2022-49760mm/hugetlb: fix PTE marker handling in hugetlb_change_protection()
CVE-2022-49759VMCI: Use threaded irqs instead of tasklets
CVE-2023-52973vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF

Showing top 20 of 124 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52996

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