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CVE-2023-4881 (GCVE-0-2023-4881)
Vulnerability from cvelistv5 – Published: 2023-09-11 16:35 – Updated: 2023-09-20 17:36CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.
Show details on NVD website{
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FKIE_CVE-2023-4881
Vulnerability from fkie_nvd - Published: 2023-09-11 17:15 - Updated: 2023-11-07 04:23| URL | Tags |
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| Vendor | Product | Version |
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GHSA-3MQ5-2HMG-6CR7
Vulnerability from github – Published: 2023-09-11 18:31 – Updated: 2023-09-11 18:31A stack based out-of-bounds write flaw was found in the netfilter subsystem in the Linux kernel. If the expression length is a multiple of 4 (register size), the nft_exthdr_eval family of functions writes 4 NULL bytes past the end of the regs argument, leading to stack corruption and potential information disclosure or a denial of service.
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GSD-2023-4881
Vulnerability from gsd - Updated: 2023-12-13 01:20{
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OESA-2023-1666 (CVE-2022-45887)
Vulnerability from osv_openeuler – Published: 2023-09-22 11:06 – Updated: 2026-08-06 11:06 – Source websiteThe Linux Kernel, the operating system core itself.
Security Fix(es):
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
(CVE-2023-20588)
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
(CVE-2023-21400)
** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
(CVE-2023-4921)
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"details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)\r\n\r\n\nA division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n(CVE-2023-20588)\r\n\r\nIn multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.\r\n\r\n(CVE-2023-21400)\r\n\r\n** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)\r\n\r\nA use-after-free vulnerability in the Linux kernel\u0026apos;s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\r\n\r\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\r\n\r\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\r\n\r\n(CVE-2023-4921)",
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OESA-2023-1667 (CVE-2022-45887)
Vulnerability from osv_openeuler – Published: 2023-09-22 11:06 – Updated: 2026-08-06 11:06 – Source websiteThe Linux Kernel, the operating system core itself.
Security Fix(es):
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
(CVE-2023-20588)
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
(CVE-2023-21400)
** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
(CVE-2023-4921)
| URL | Type | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.19.90-2309.4.0.0219.oe1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)\r\n\r\n\nA division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n(CVE-2023-20588)\r\n\r\nIn multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.\r\n\r\n(CVE-2023-21400)\r\n\r\n** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)\r\n\r\nA use-after-free vulnerability in the Linux kernel\u0026apos;s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\r\n\r\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\r\n\r\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\r\n\r\n(CVE-2023-4921)",
"id": "OESA-2023-1667",
"modified": "2026-08-06T11:06:07Z",
"published": "2023-09-22T11:06:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1667"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45887"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20588"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21400"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4881"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4921"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "kernel security update",
"upstream": [
"CVE-2022-45887",
"CVE-2023-20588",
"CVE-2023-21400",
"CVE-2023-4881",
"CVE-2023-4921"
]
}
OESA-2023-1668 (CVE-2022-45887)
Vulnerability from osv_openeuler – Published: 2023-09-22 11:06 – Updated: 2026-08-06 11:06 – Source websiteThe Linux Kernel, the operating system core itself.
Security Fix(es):
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
(CVE-2023-20588)
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
(CVE-2023-21400)
VUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)
VUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)
VUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)
** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
(CVE-2023-4921)
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"bpftool-debuginfo-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-devel-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-source-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-tools-debuginfo-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"perf-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-tools-devel-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"python3-perf-debuginfo-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-headers-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-tools-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"bpftool-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-debuginfo-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"perf-debuginfo-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-debugsource-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"kernel-5.10.0-60.112.0.139.oe2203.aarch64.rpm",
"python3-perf-5.10.0-60.112.0.139.oe2203.aarch64.rpm"
],
"src": [
"kernel-5.10.0-60.112.0.139.oe2203.src.rpm"
],
"x86_64": [
"kernel-tools-debuginfo-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"python3-perf-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-tools-devel-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"perf-debuginfo-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-headers-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-debuginfo-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-debugsource-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-tools-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"python3-perf-debuginfo-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-devel-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"bpftool-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"bpftool-debuginfo-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"kernel-source-5.10.0-60.112.0.139.oe2203.x86_64.rpm",
"perf-5.10.0-60.112.0.139.oe2203.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS",
"name": "kernel",
"purl": "pkg:rpm/openEuler/kernel\u0026distro=openEuler-22.03-LTS"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.10.0-60.112.0.139.oe2203"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)\r\n\r\n\nA division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n(CVE-2023-20588)\r\n\r\nIn multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.\r\n\r\n(CVE-2023-21400)\r\n\r\nVUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)\r\n\r\nVUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)\r\n\r\nVUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)\r\n\r\n** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)\r\n\r\nA use-after-free vulnerability in the Linux kernel\u0026apos;s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\r\n\r\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\r\n\r\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\r\n\r\n(CVE-2023-4921)",
"id": "OESA-2023-1668",
"modified": "2026-08-06T11:06:07Z",
"published": "2023-09-22T11:06:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1668"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45887"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20588"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21400"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32249"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32251"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32253"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4881"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4921"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "kernel security update",
"upstream": [
"CVE-2022-45887",
"CVE-2023-20588",
"CVE-2023-21400",
"CVE-2023-32249",
"CVE-2023-32251",
"CVE-2023-32253",
"CVE-2023-4881",
"CVE-2023-4921"
]
}
OESA-2023-1669 (CVE-2022-45887)
Vulnerability from osv_openeuler – Published: 2023-09-22 11:06 – Updated: 2026-08-06 11:06 – Source websiteThe Linux Kernel, the operating system core itself.
Security Fix(es):
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
(CVE-2023-20588)
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
(CVE-2023-21400)
VUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)
VUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)
VUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)
** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
(CVE-2023-4921)
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"kernel-tools-devel-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"python3-perf-debuginfo-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"bpftool-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-headers-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-debuginfo-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"python3-perf-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-devel-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"perf-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-tools-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"bpftool-debuginfo-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"perf-debuginfo-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-tools-debuginfo-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-debugsource-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm",
"kernel-source-5.10.0-136.50.0.129.oe2203sp1.aarch64.rpm"
],
"src": [
"kernel-5.10.0-136.50.0.129.oe2203sp1.src.rpm"
],
"x86_64": [
"bpftool-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-debuginfo-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"python3-perf-debuginfo-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-tools-devel-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-tools-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-devel-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-tools-debuginfo-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"bpftool-debuginfo-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-debugsource-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"python3-perf-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-headers-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"perf-debuginfo-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"perf-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm",
"kernel-source-5.10.0-136.50.0.129.oe2203sp1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS-SP1",
"name": "kernel",
"purl": "pkg:rpm/openEuler/kernel\u0026distro=openEuler-22.03-LTS-SP1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.10.0-136.50.0.129.oe2203sp1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)\r\n\r\n\nA division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n(CVE-2023-20588)\r\n\r\nIn multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.\r\n\r\n(CVE-2023-21400)\r\n\r\nVUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)\r\n\r\nVUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)\r\n\r\nVUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)\r\n\r\n** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)\r\n\r\nA use-after-free vulnerability in the Linux kernel\u0026apos;s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\r\n\r\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\r\n\r\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\r\n\r\n(CVE-2023-4921)",
"id": "OESA-2023-1669",
"modified": "2026-08-06T11:06:07Z",
"published": "2023-09-22T11:06:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1669"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45887"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20588"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21400"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32249"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32251"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32253"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4881"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4921"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "kernel security update",
"upstream": [
"CVE-2022-45887",
"CVE-2023-20588",
"CVE-2023-21400",
"CVE-2023-32249",
"CVE-2023-32251",
"CVE-2023-32253",
"CVE-2023-4881",
"CVE-2023-4921"
]
}
OESA-2023-1670 (CVE-2022-45887)
Vulnerability from osv_openeuler – Published: 2023-09-22 11:06 – Updated: 2026-08-06 11:06 – Source websiteThe Linux Kernel, the operating system core itself.
Security Fix(es):
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
(CVE-2023-20588)
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
(CVE-2023-21400)
VUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)
VUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)
VUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)
** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
(CVE-2023-4921)
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{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"kernel-debugsource-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-devel-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"perf-debuginfo-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-tools-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"python3-perf-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"perf-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-headers-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"bpftool-debuginfo-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-debuginfo-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-source-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"python3-perf-debuginfo-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-tools-debuginfo-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"kernel-tools-devel-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm",
"bpftool-5.10.0-153.28.0.105.oe2203sp2.aarch64.rpm"
],
"src": [
"kernel-5.10.0-153.28.0.105.oe2203sp2.src.rpm"
],
"x86_64": [
"kernel-tools-devel-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-debuginfo-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-headers-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-tools-debuginfo-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"perf-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-devel-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-tools-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"python3-perf-debuginfo-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"perf-debuginfo-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"python3-perf-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"bpftool-debuginfo-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-debugsource-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"kernel-source-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm",
"bpftool-5.10.0-153.28.0.105.oe2203sp2.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS-SP2",
"name": "kernel",
"purl": "pkg:rpm/openEuler/kernel\u0026distro=openEuler-22.03-LTS-SP2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.10.0-153.28.0.105.oe2203sp2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.(CVE-2022-45887)\r\n\r\n\nA division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n(CVE-2023-20588)\r\n\r\nIn multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.\r\n\r\n(CVE-2023-21400)\r\n\r\nVUL-0: CVE-2023-32249: kernel: Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability(CVE-2023-32249)\r\n\r\nVUL-0: CVE-2023-32251: kernel: Linux Kernel ksmbd Improper Restriction of Excessive Authentication Attempts Protection Bypass Vulnerability(CVE-2023-32251)\r\n\r\nVUL-0: CVE-2023-32253: kernel: Linux Kernel ksmbd Session Deadlock Denial-of-Service Vulnerability(CVE-2023-32253)\r\n\r\n** REJECT ** CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.(CVE-2023-4881)\r\n\r\nA use-after-free vulnerability in the Linux kernel\u0026apos;s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\r\n\r\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\r\n\r\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\r\n\r\n(CVE-2023-4921)",
"id": "OESA-2023-1670",
"modified": "2026-08-06T11:06:07Z",
"published": "2023-09-22T11:06:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1670"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45887"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20588"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21400"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32249"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32251"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32253"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4881"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4921"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "kernel security update",
"upstream": [
"CVE-2022-45887",
"CVE-2023-20588",
"CVE-2023-21400",
"CVE-2023-32249",
"CVE-2023-32251",
"CVE-2023-32253",
"CVE-2023-4881",
"CVE-2023-4921"
]
}
OPENSUSE-SU-2024:13245-1
Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00OPENSUSE-SU-2024:13704-1
Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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