CVE-2022-50333

fs: jfs: fix shift-out-of-bounds in dbDiscardAG

Severity Score

7.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG This should be applied to most URSAN bugs found recently by syzbot,
by guarding the dbMount. As syzbot feeding rubbish into the bmap
descriptor.

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG This should be applied to most URSAN bugs found recently by syzbot, by guarding the dbMount. As syzbot feeding rubbish into the bmap descriptor.

This update provides the initial livepatch for this kernel update. This update does not contain any fixes and will be updated with livepatches later.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-09-15 CVE Reserved
2025-09-15 CVE Published
2025-09-15 CVE Updated
2025-11-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/f8d4d0bac603616e2fa4a3907e81ed13f8f3c380	2023-01-07
https://git.kernel.org/stable/c/0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bb	2023-01-18
https://git.kernel.org/stable/c/624843f1bac448150f6859999c72c4841c14a2e3	2023-01-18
https://git.kernel.org/stable/c/50163a115831ef4e6402db5a7ef487d1989d7249	2023-01-18
https://git.kernel.org/stable/c/911999b193735cd378517b6cd5fe585ee345d49c	2023-01-14
https://git.kernel.org/stable/c/10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92	2022-12-31
https://git.kernel.org/stable/c/ab5cd3d62c2493eca3337e7d0178cc7bd819ca64	2022-12-31
https://git.kernel.org/stable/c/3d340b684dcec5e34efc470227cd1c7d2df121ad	2022-12-31
https://git.kernel.org/stable/c/25e70c6162f207828dd405b432d8f2a98dbf7082	2022-10-27

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.9.337 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.337"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.14.303 Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.303"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.270 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.270"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.229 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.229"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.163 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.163"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.86 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.86"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.0.16 Search vendor "Linux" for product "Linux Kernel" and version " < 6.0.16"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.1.2 Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.2"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.2 Search vendor "Linux" for product "Linux Kernel" and version " < 6.2"		en		Affected