CVE-2023-33288 — An issue was discovered in the Linux kernel before 6

An issue was discovered in the Linux kernel before 6.2.9. A use-after-free was found in bq24190_remove in drivers/power/supply/bq24190_charger.c. It could allow a local attacker to crash the system due to a race condition.

01What is this vulnerability?

An issue was discovered in the Linux kernel before 6.2.9. A use-after-free was found in bq24190_remove in drivers/power/supply/bq24190_charger.c. It could allow a local attacker to crash the system due to a race condition.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-22T03:15:09.797
• Last modified: 2026-06-17T06:01:29.890

09References

• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
• git.kernel.org — https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=47c29…
• github.com — https://github.com/torvalds/linux/commit/47c29d69212911f50bdcdd0564b5999a559010d…
• lore.kernel.org — https://lore.kernel.org/all/CAHk-=whcaHLNpb7Mu_QX7ABwPgyRyfW-V8=v4Mv0S22fpjY4JQ%…
• lore.kernel.org — https://lore.kernel.org/lkml/20230309174728.233732-1-zyytlz.wz%40163.com/
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
• git.kernel.org — https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=47c29…
• github.com — https://github.com/torvalds/linux/commit/47c29d69212911f50bdcdd0564b5999a559010d…
• lore.kernel.org — https://lore.kernel.org/all/CAHk-=whcaHLNpb7Mu_QX7ABwPgyRyfW-V8=v4Mv0S22fpjY4JQ%…
• lore.kernel.org — https://lore.kernel.org/lkml/20230309174728.233732-1-zyytlz.wz%40163.com/