CVE-2023-1670
Ubuntu Security Notice USN-6252-1
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. Gwnaun Jung discovered that the SFB packet scheduling implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
CVSS Scores
SSVC
- Decision:Track*
Timeline
- 2023-03-28 CVE Reserved
- 2023-03-30 CVE Published
- 2025-02-14 CVE Updated
- 2025-05-31 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html | Mailing List |
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| https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html | Mailing List |
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| https://lore.kernel.org/all/20230316161526.1568982-1-zyytlz.wz%40163.com | ||
| https://security.netapp.com/advisory/ntap-20230526-0010 | Third Party Advisory |
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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" | >= 2.6.18 < 4.14.312 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.18 < 4.14.312" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 4.19.280 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.280" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.4.240 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.240" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.5 < 5.10.177 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.177" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.15.105 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.105" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.16 < 6.1.22 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 6.1.22" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.2 < 6.2.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.2 < 6.2.9" | - |
Affected
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