openEuler 20.03 LTS SP1 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2023-1295
CVE-2023-3090
CVE-2023-3117
CVE-2023-3220
CVE-2023-3338
CVE-2023-3358
CWE-ID CWE-367
CWE-787
CWE-416
CWE-476
Exploitation vector Local
Public exploit Public exploit code for vulnerability #5 is available.
Vulnerable software
 openEuler
Operating systems & Components / Operating system

kernel-source
Operating systems & Components / Operating system package or component

kernel-tools-devel
Operating systems & Components / Operating system package or component

python2-perf-debuginfo
Operating systems & Components / Operating system package or component

kernel-devel
Operating systems & Components / Operating system package or component

perf
Operating systems & Components / Operating system package or component

kernel-tools
Operating systems & Components / Operating system package or component

python3-perf-debuginfo
Operating systems & Components / Operating system package or component

perf-debuginfo
Operating systems & Components / Operating system package or component

python2-perf
Operating systems & Components / Operating system package or component

kernel-tools-debuginfo
Operating systems & Components / Operating system package or component

kernel-debugsource
Operating systems & Components / Operating system package or component

kernel-debuginfo
Operating systems & Components / Operating system package or component

python3-perf
Operating systems & Components / Operating system package or component

bpftool-debuginfo
Operating systems & Components / Operating system package or component

bpftool
Operating systems & Components / Operating system package or component

kernel
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Time-of-check time-of-use (toctou) race condition

EUVDB-ID: #VU92408

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1295

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to time-of-check time-of-use (toctou) race condition error within the io_close_prep(), io_req_defer_prep(), io_issue_sqe() and io_grab_files() functions in fs/io_uring.c. A local user can execute arbitrary code.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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) Out-of-bounds write

EUVDB-ID: #VU78010

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3090

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ipvlan network driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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.

3) Use-after-free

EUVDB-ID: #VU78457

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3117

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Netfilter subsystem. A local user with CAP_NET_ADMIN capability can trigger the use-after-free error and execute arbitrary code on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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.

4) NULL pointer dereference

EUVDB-ID: #VU78471

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3220

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the dpu_crtc_atomic_check() function in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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.

5) NULL pointer dereference

EUVDB-ID: #VU77704

Risk: Low

CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-3338

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: Yes

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the DECnet socket in net/decnet/dn_nsp_out.c. A local user can trigger a NULL pointer dereference and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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. However, proof of concept for this vulnerability is available.

6) NULL pointer dereference

EUVDB-ID: #VU78063

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3358

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel's Integrated Sensor Hub (ISH) driver. A local user and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-source: before 4.19.90-2307.4.0.0210

kernel-tools-devel: before 4.19.90-2307.4.0.0210

python2-perf-debuginfo: before 4.19.90-2307.4.0.0210

kernel-devel: before 4.19.90-2307.4.0.0210

perf: before 4.19.90-2307.4.0.0210

kernel-tools: before 4.19.90-2307.4.0.0210

python3-perf-debuginfo: before 4.19.90-2307.4.0.0210

perf-debuginfo: before 4.19.90-2307.4.0.0210

python2-perf: before 4.19.90-2307.4.0.0210

kernel-tools-debuginfo: before 4.19.90-2307.4.0.0210

kernel-debugsource: before 4.19.90-2307.4.0.0210

kernel-debuginfo: before 4.19.90-2307.4.0.0210

python3-perf: before 4.19.90-2307.4.0.0210

bpftool-debuginfo: before 4.19.90-2307.4.0.0210

bpftool: before 4.19.90-2307.4.0.0210

kernel: before 4.19.90-2307.4.0.0210

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1438


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.



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