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CVE-2023-53803

HIGHCVSS 8.1/10EPSS 0.18%

Last modified

CVE-2023-53803 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() A fix for: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses] Read of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271 Checking after (and before in next loop) addl_desc_ptr[1] is sufficient, we expect the size to be sanitized before first access to addl_desc_ptr[1]. Make sure we don't walk beyond end of page.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() A fix for: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses] Read of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271 Checking after (and before in next loop) addl_desc_ptr[1] is sufficient, we expect the size to be sanitized before first access to addl_desc_ptr[1]. Make sure we don't walk beyond end of page.

Metrics

CVSS 3.1
8.1/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability
0.18%

7.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 21fab1d0595eacf781705ec3509012a28f298245, < da1a955c48a16e16e925d6544793914e52a6fa51; >= 21fab1d0595eacf781705ec3509012a28f298245, < 9e5c7d52085b8c84bc82a261580f0eb170039325; >= 21fab1d0595eacf781705ec3509012a28f298245, < 467afb1dd630d8c6d172bd6cacc125199b5f4f2d; >= 21fab1d0595eacf781705ec3509012a28f298245, < e4dd25da784b2e07dbfbf04509afa4c5a1375227; >= 21fab1d0595eacf781705ec3509012a28f298245, < 2b28a7d261cb309912596d6a2d383ca370483527; >= 21fab1d0595eacf781705ec3509012a28f298245, < 0dfe68394cbe1d4fe579fb325ecc813c50528c5a; >= 21fab1d0595eacf781705ec3509012a28f298245, < 799e8dd2022d2e13f0c5c1906b40ceca07a23349; >= 21fab1d0595eacf781705ec3509012a28f298245, < 9b4f5028e493cb353a5c8f5c45073eeea0303abd
LinuxLinux2.6.32

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-53803?
In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() A fix for: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses] Read of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271 Checking after (and before in next loop) addl_desc_ptr[1] is sufficient, we expect the size to be sanitized before first access to addl_desc_ptr[1]. Make sure we don't walk beyond end of page.
How severe is CVE-2023-53803?
CVE-2023-53803 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2023-53803?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST