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CVE PROGRAM SOURCE RECORDUnscored

CVE-2024-49938

wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit Syzbot points out that skb_trim() has a sanity check on the existing length of the skb, which can be uninitialised in some error paths. The intent here is clearly just to reset the length to zero before resubmitting, so switch to calling __skb_set_length(skb, 0) directly. In addition, __skb_set_length() already contains a call to skb_reset_tail_pointer(), so remove the redundant call. The syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar usage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • fb9987d0f748c983bb795a86f47522313f701a08 to < e6b9bf32e0695e4f374674002de0527d2a6768ebaffected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < d1f2fbc6a769081503f6ffedbb5cd1ac497f0e77affected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < b02eb7c86ff2ef1411c3095ec8a52b13f68db04faffected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < 012ae530afa0785102360de452745d33c99a321baffected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < 6a875220670475d9247e576c15dc29823100a4e4affected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < e37e348835032d6940ec89308cc8996ded691d2daffected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < 2c230210ec0ae6ed08306ac70dc21c24b817bb95affected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < a9f4e28e8adaf0715bd4e01462af0a52ee46b01faffected
  • fb9987d0f748c983bb795a86f47522313f701a08 to < 94745807f3ebd379f23865e6dab196f220664179affected

Linux Linux

Default version status: affected

  • 2.6.35affected
  • 0 to < 2.6.35unaffected
  • 4.19.323 to ≤ 4.19.*unaffected
  • 5.4.285 to ≤ 5.4.*unaffected
  • 5.10.227 to ≤ 5.10.*unaffected
  • 5.15.168 to ≤ 5.15.*unaffected
  • 6.1.113 to ≤ 6.1.*unaffected
  • 6.6.55 to ≤ 6.6.*unaffected
  • 6.10.14 to ≤ 6.10.*unaffected
  • 6.11.3 to ≤ 6.11.*unaffected
  • 6.12 to ≤ *unaffected

References