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ubuntu-cve-2026-53093
Vulnerability from osv_ubuntu
Published
2026-06-24 17:17
Modified
2026-09-09 12:06
Summary
Details

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix error pointer dereference The function brcmf_chip_add_core() can return an error pointer and is not checked. Add checks for error pointer. Detected by Smatch: drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() [add missing wifi: prefix]

Severity
References
https://ubuntu.com/security/CVE-2026-53093 REPORT
https://www.cve.org/CVERecord?id=CVE-2026-53093 REPORT
https://git.kernel.org/linus/dd8592fc6007a451c3e4… REPORT
https://ubuntu.com/security/notices/USN-8566-1 ADVISORY
https://ubuntu.com/security/notices/USN-8568-1 ADVISORY
https://ubuntu.com/security/notices/USN-8569-1 ADVISORY
https://ubuntu.com/security/notices/USN-8567-1 ADVISORY
https://ubuntu.com/security/notices/USN-8574-1 ADVISORY
https://ubuntu.com/security/notices/USN-8575-1 ADVISORY
https://ubuntu.com/security/notices/USN-8576-1 ADVISORY
https://ubuntu.com/security/notices/USN-8593-1 ADVISORY
https://ubuntu.com/security/notices/USN-8574-2 ADVISORY
https://ubuntu.com/security/notices/USN-8595-1 ADVISORY
https://ubuntu.com/security/notices/USN-8596-1 ADVISORY
https://ubuntu.com/security/notices/USN-8575-2 ADVISORY
https://ubuntu.com/security/notices/USN-8576-2 ADVISORY
https://ubuntu.com/security/notices/USN-8603-1 ADVISORY
https://ubuntu.com/security/notices/USN-8595-2 ADVISORY
https://ubuntu.com/security/notices/USN-8606-1 ADVISORY
https://ubuntu.com/security/notices/USN-8607-1 ADVISORY
https://ubuntu.com/security/notices/USN-8608-1 ADVISORY
https://ubuntu.com/security/notices/USN-8609-1 ADVISORY
https://ubuntu.com/security/notices/USN-8575-3 ADVISORY
https://ubuntu.com/security/notices/USN-8610-1 ADVISORY
https://ubuntu.com/security/notices/USN-8618-1 ADVISORY
https://ubuntu.com/security/notices/USN-8574-3 ADVISORY
https://ubuntu.com/security/notices/USN-8595-3 ADVISORY
https://ubuntu.com/security/notices/USN-8619-1 ADVISORY
https://ubuntu.com/security/notices/USN-8620-1 ADVISORY
https://ubuntu.com/security/notices/USN-8620-2 ADVISORY
https://ubuntu.com/security/notices/USN-8620-3 ADVISORY
https://ubuntu.com/security/notices/USN-8620-4 ADVISORY
https://ubuntu.com/security/notices/USN-8663-1 ADVISORY
https://ubuntu.com/security/notices/USN-8664-1 ADVISORY
https://ubuntu.com/security/notices/USN-8665-1 ADVISORY
https://ubuntu.com/security/notices/USN-8668-1 ADVISORY
https://ubuntu.com/security/notices/USN-8728-1 ADVISORY

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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