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smb/client: fix possible infinite loop and oob read in symlink_data()

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix possible infinite loop and oob read in symlink_data() On 32-bit architectures, the infinite loop is as follows: len = p->ErrorDataLength == 0xfffffff8 u8 *next = p->ErrorContextData + len next == p On 32-bit architectures, the out-of-bounds read is as follows: len = p->ErrorDataLength == 0xfffffff0 u8 *next = p->ErrorContextData + len next == (u8 *)p - 8

Affected products

Linux
  • <b41598bf54b3fe528994e573df6008f8f4d0a4f4
  • =<6.18.*
  • <6.1
  • <6.1
  • =<6.12.*
  • <1cfa2d59f669db28d6292d10ff87ca6837c781b0
  • =<7.0.*
  • <1b9331b16b0ed9414dcf7583d8134bdfeb117aae
  • <7d9a7f1f96cd617ee9e75bb22217c709038e26b8
  • =<*
  • ==6.1
  • =<6.6.*
  • <97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb
  • ==2d046892a493d9760c35fdaefc3017f27f91b621
  • =<6.1.*
  • <cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23