CVE-2023-52809
What it is
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Linux Kernel < 4.14.331
- Linux Kernel < 4.19.300
- Linux Kernel < 5.4.262
- Linux Kernel < 5.10.202
- Linux Kernel < 5.15.140
- Linux Kernel < 6.1.64
- Linux Kernel < 6.5.13
- Linux Kernel < 6.6.3
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-52809.md and follow it. Check whether this project is affected by CVE-2023-52809. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba
- https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f
- https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b
- https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106
- https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa
- https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e
- https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00
- https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01
- https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34
- https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba
References
- https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba
- https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f
- https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b
- https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106
- https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa
- https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e
- https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00
- https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01
- https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34
- https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba
- https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f
- https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b
- https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106
- https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa
- https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e
- https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00
- https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01
- https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34