Skip to content

In the Linux kernel, the following vulnerability has been...

Moderate severity Unreviewed Published Jun 21, 2024 to the GitHub Advisory Database • Updated Sep 9, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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

net/mlx5: Use mlx5_ipsec_rx_status_destroy to correctly delete status rules

rx_create no longer allocates a modify_hdr instance that needs to be
cleaned up. The mlx5_modify_header_dealloc call will lead to a NULL pointer
dereference. A leak in the rules also previously occurred since there are
now two rules populated related to status.

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 109907067 P4D 109907067 PUD 116890067 PMD 0
Oops: 0000 [#1] SMP
CPU: 1 PID: 484 Comm: ip Not tainted 6.9.0-rc2-rrameshbabu+ #254
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS Arch Linux 1.16.3-1-1 04/01/2014
RIP: 0010:mlx5_modify_header_dealloc+0xd/0x70

Call Trace:

? show_regs+0x60/0x70
? __die+0x24/0x70
? page_fault_oops+0x15f/0x430
? free_to_partial_list.constprop.0+0x79/0x150
? do_user_addr_fault+0x2c9/0x5c0
? exc_page_fault+0x63/0x110
? asm_exc_page_fault+0x27/0x30
? mlx5_modify_header_dealloc+0xd/0x70
rx_create+0x374/0x590
rx_add_rule+0x3ad/0x500
? rx_add_rule+0x3ad/0x500
? mlx5_cmd_exec+0x2c/0x40
? mlx5_create_ipsec_obj+0xd6/0x200
mlx5e_accel_ipsec_fs_add_rule+0x31/0xf0
mlx5e_xfrm_add_state+0x426/0xc00

References

Published by the National Vulnerability Database Jun 21, 2024
Published to the GitHub Advisory Database Jun 21, 2024
Last updated Sep 9, 2024

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.042%
(5th percentile)

Weaknesses

CVE ID

CVE-2024-36281

GHSA ID

GHSA-6x25-7hx6-jxf2

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.