7.8

CVE-2023-53307: rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails

Modified
AliasesUBUNTU-CVE-2023-53307DEBIAN-CVE-2023-53307
Published 16-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53307 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
SUSE-SU-2025:03614-1SUSE-SU-2025:03628-1SUSE-SU-2025:3716-1

Timeline

  1. 16-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails If getting an ID or setting up a work queue in rbd_dev_create() fails, use-after-free on rbd_dev->rbd_client, rbd_dev->spec and rbd_dev->opts is triggered in do_rbd_add(). The root cause is that the ownership of these structures is transfered to rbd_dev prematurely and they all end up getting freed when rbd_dev_create() calls rbd_dev_free() prior to returning to do_rbd_add(). Found by Linux Verification Center (linuxtesting.org) with SVACE, an incomplete patch submitted by Natalia Petrova <n.petrova@fintech.ru>.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu120 products
  • linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < 71da2a151ed1adb0aea4252b16d81b53012e7afd | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < e3cbb4d60764295992c95344f2d779439e8b34ce | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < 9787b328c42c13c4f31e7d5042c4e877e9344068 | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < ae16346078b1189aee934afd872d9f3d0a682c33 | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < a73783e4e0c4d1507794da211eeca75498544dff | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < faa7b683e436664fff5648426950718277831348 | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < cc8c0dd2984503ed09efa37bcafcef3d3da104e8 | ≥ 1643dfa4c2c827d6e2aa419df8c17b0f24090278, < f7c4d9b133c7a04ca619355574e96b6abf209fba | 4.9
  • linux_kernel≥ 4.9, < 4.14.308 | ≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
  • linux< 6.1.20-1

3 vendors · 123 products

References

12 links
Show all 12 references