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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-46684
HistorySep 13, 2024 - 6:15 a.m.

CVE-2024-46684

2024-09-1306:15:13
CWE-131
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
3
linux kernel
vulnerability
binfmt_elf_fdpic
auxv size calculation
elf_hwcap2
create_elf_fdpic_tables

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0

Percentile

9.6%

In the Linux kernel, the following vulnerability has been resolved:

binfmt_elf_fdpic: fix AUXV size calculation when ELF_HWCAP2 is defined

create_elf_fdpic_tables() does not correctly account the space for the
AUX vector when an architecture has ELF_HWCAP2 defined. Prior to the
commit 10e29251be0e (“binfmt_elf_fdpic: fix /proc/<pid>/auxv”) it
resulted in the last entry of the AUX vector being set to zero, but with
that change it results in a kernel BUG.

Fix that by adding one to the number of AUXV entries (nitems) when
ELF_HWCAP2 is defined.

Affected configurations

Nvd
Node
linuxlinux_kernelRange6.106.10.8
OR
linuxlinux_kernelMatch6.11rc1
OR
linuxlinux_kernelMatch6.11rc2
OR
linuxlinux_kernelMatch6.11rc3
OR
linuxlinux_kernelMatch6.11rc4
OR
linuxlinux_kernelMatch6.11rc5
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0

Percentile

9.6%

Related for NVD:CVE-2024-46684