CVE-2023-53307
What it is
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 <[email protected]>.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, 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: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Linux Kernel < 4.14.308
- Linux Kernel < 4.19.276
- Linux Kernel < 5.4.235
- Linux Kernel < 5.10.173
- Linux Kernel < 5.15.99
- Linux Kernel < 6.1.16
- Linux Kernel < 6.2.3
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2023-53307.md and follow it. Check whether this project is affected by CVE-2023-53307. 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/71da2a151ed1adb0aea4252b16d81b53012e7afd
- https://git.kernel.org/stable/c/9787b328c42c13c4f31e7d5042c4e877e9344068
- https://git.kernel.org/stable/c/a73783e4e0c4d1507794da211eeca75498544dff
- https://git.kernel.org/stable/c/ae16346078b1189aee934afd872d9f3d0a682c33
- https://git.kernel.org/stable/c/cc8c0dd2984503ed09efa37bcafcef3d3da104e8
- https://git.kernel.org/stable/c/e3cbb4d60764295992c95344f2d779439e8b34ce
- https://git.kernel.org/stable/c/f7c4d9b133c7a04ca619355574e96b6abf209fba
- https://git.kernel.org/stable/c/faa7b683e436664fff5648426950718277831348
References
- https://git.kernel.org/stable/c/71da2a151ed1adb0aea4252b16d81b53012e7afd
- https://git.kernel.org/stable/c/9787b328c42c13c4f31e7d5042c4e877e9344068
- https://git.kernel.org/stable/c/a73783e4e0c4d1507794da211eeca75498544dff
- https://git.kernel.org/stable/c/ae16346078b1189aee934afd872d9f3d0a682c33
- https://git.kernel.org/stable/c/cc8c0dd2984503ed09efa37bcafcef3d3da104e8
- https://git.kernel.org/stable/c/e3cbb4d60764295992c95344f2d779439e8b34ce
- https://git.kernel.org/stable/c/f7c4d9b133c7a04ca619355574e96b6abf209fba
- https://git.kernel.org/stable/c/faa7b683e436664fff5648426950718277831348