Red Hat Enterprise Linux 7 update for kpatch-patch
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-4622 CVE-2023-4623 |
| CWE-ID | CWE-416 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Red Hat Enterprise Linux for Power, little endian Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system kpatch-patch-3_10_0-1160_108_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-1160_105_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-1160_102_1 (Red Hat package) Operating systems & Components / Operating system package or component |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU80583
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-4622
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the unix_stream_sendpage() function in af_unix component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux for Power, little endian: 7
Red Hat Enterprise Linux Server: 7
kpatch-patch-3_10_0-1160_108_1 (Red Hat package): before 1-2.el7
kpatch-patch-3_10_0-1160_105_1 (Red Hat package): before 1-3.el7
kpatch-patch-3_10_0-1160_102_1 (Red Hat package): before 1-4.el7
External linkshttp://access.redhat.com/errata/RHSA-2024:1960
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Use-after-free
EUVDB-ID: #VU81664
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-4623
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the the Linux kernel net/sched: sch_hfsc (HFSC qdisc traffic control) component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Install updates from vendor's website.
Red Hat Enterprise Linux for Power, little endian: 7
Red Hat Enterprise Linux Server: 7
kpatch-patch-3_10_0-1160_108_1 (Red Hat package): before 1-2.el7
kpatch-patch-3_10_0-1160_105_1 (Red Hat package): before 1-3.el7
kpatch-patch-3_10_0-1160_102_1 (Red Hat package): before 1-4.el7
External linkshttp://access.redhat.com/errata/RHSA-2024:1960
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
