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CVE-2024-35987— riscv: Fix loading 64-bit NOMMU kernels past the start of RAM

EPSS 0.03% · P10

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinux3335068f87217ea59d08f462187dc856652eea15< b008e327fa570aca210f98c817757649bae56694affected
3335068f87217ea59d08f462187dc856652eea15< ea6628e4e2353978af7e3b4ad4fdaab6149acf3daffected
3335068f87217ea59d08f462187dc856652eea15< aea702dde7e9876fb00571a2602f25130847bf0faffected
6.4affected
< 6.4unaffected
6.6.30≤ 6.6.*unaffected
6.8.9≤ 6.8.*unaffected
6.9≤ *unaffected
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I. Basic Information for CVE-2024-35987

Vulnerability Information
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Vulnerability Title
riscv: Fix loading 64-bit NOMMU kernels past the start of RAM
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix loading 64-bit NOMMU kernels past the start of RAM commit 3335068f8721 ("riscv: Use PUD/P4D/PGD pages for the linear mapping") added logic to allow using RAM below the kernel load address. However, this does not work for NOMMU, where PAGE_OFFSET is fixed to the kernel load address. Since that range of memory corresponds to PFNs below ARCH_PFN_OFFSET, mm initialization runs off the beginning of mem_map and corrupts adjacent kernel memory. Fix this by restoring the previous behavior for NOMMU kernels.
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mm 初始化会从 mem_map 的开头运行并损坏相邻的内核内存。
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 3335068f87217ea59d08f462187dc856652eea15 ~ b008e327fa570aca210f98c817757649bae56694 -
LinuxLinux 6.4 -

II. Public POCs for CVE-2024-35987

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III. Intelligence Information for CVE-2024-35987

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Same Patch Batch · Linux · 2024-05-20 · 62 CVEs total

CVE-2024-35967Bluetooth: SCO: Fix not validating setsockopt user input
CVE-2024-35954scsi: sg: Avoid sg device teardown race
CVE-2024-35951drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()
CVE-2024-35952drm/ast: Fix soft lockup
CVE-2024-35953accel/ivpu: Fix deadlock in context_xa
CVE-2024-35963Bluetooth: hci_sock: Fix not validating setsockopt user input
CVE-2024-35964Bluetooth: ISO: Fix not validating setsockopt user input
CVE-2024-35965Bluetooth: L2CAP: Fix not validating setsockopt user input
CVE-2024-35966Bluetooth: RFCOMM: Fix not validating setsockopt user input
CVE-2024-35968pds_core: Fix pdsc_check_pci_health function to use work thread
CVE-2024-35962netfilter: complete validation of user input
CVE-2024-35969ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
CVE-2024-35971net: ks8851: Handle softirqs at the end of IRQ thread to fix hang
CVE-2024-35970af_unix: Clear stale u->oob_skb.
CVE-2024-35973geneve: fix header validation in geneve[6]_xmit_skb
CVE-2024-35972bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init()
CVE-2024-35974block: fix q->blkg_list corruption during disk rebind
CVE-2024-35975octeontx2-pf: Fix transmit scheduler resource leak
CVE-2024-35976xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
CVE-2024-35977platform/chrome: cros_ec_uart: properly fix race condition

Showing top 20 of 62 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35987

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