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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-44938
HistoryAug 26, 2024 - 12:15 p.m.

CVE-2024-44938

2024-08-2612:15:05
CWE-787
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
3
linux kernel
jfs
vulnerability

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

5.1%

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

jfs: Fix shift-out-of-bounds in dbDiscardAG

When searching for the next smaller log2 block, BLKSTOL2() returned 0,
causing shift exponent -1 to be negative.

This patch fixes the issue by exiting the loop directly when negative
shift is found.

Affected configurations

Nvd
Node
linuxlinux_kernelRange<6.6.47
OR
linuxlinux_kernelRange6.76.10.6
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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

5.1%