CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-42285 – RDMA/iwcm: Fix a use-after-free related to destroying CM IDs
https://notcve.org/view.php?id=CVE-2024-42285
In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix a use-after-free related to destroying CM IDs iw_conn_req_handler() associates a new struct rdma_id_private (conn_id) with an existing struct iw_cm_id (cm_id) as follows: conn_id->cm_id.iw = cm_id; cm_id->context = conn_id; cm_id->cm_handler = cma_iw_handler; rdma_destroy_id() frees both the cm_id and the struct rdma_id_private. Make sure that cm_work_handler() does not trigger a use-after-free by only freeing of the struct rdma_id_private after all pending work has finished. • https://git.kernel.org/stable/c/59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 https://git.kernel.org/stable/c/d91d253c87fd1efece521ff2612078a35af673c6 https://git.kernel.org/stable/c/7f25f296fc9bd0435be14e89bf657cd615a23574 https://git.kernel.org/stable/c/94ee7ff99b87435ec63211f632918dc7f44dac79 https://git.kernel.org/stable/c/557d035fe88d78dd51664f4dc0e1896c04c97cf6 https://git.kernel.org/stable/c/dc8074b8901caabb97c2d353abd6b4e7fa5a59a5 https://git.kernel.org/stable/c/ff5bbbdee08287d75d72e65b72a2b76d9637892a https://git.kernel.org/stable/c/ee39384ee787e86e9db4efb843818ef0e •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-42284 – tipc: Return non-zero value from tipc_udp_addr2str() on error
https://notcve.org/view.php?id=CVE-2024-42284
In the Linux kernel, the following vulnerability has been resolved: tipc: Return non-zero value from tipc_udp_addr2str() on error tipc_udp_addr2str() should return non-zero value if the UDP media address is invalid. Otherwise, a buffer overflow access can occur in tipc_media_addr_printf(). Fix this by returning 1 on an invalid UDP media address. • https://git.kernel.org/stable/c/d0f91938bede204a343473792529e0db7d599836 https://git.kernel.org/stable/c/7ec3335dd89c8d169e9650e4bac64fde71fdf15b https://git.kernel.org/stable/c/253405541be2f15ffebdeac2f4cf4b7e9144d12f https://git.kernel.org/stable/c/aa38bf74899de07cf70b50cd17f8ad45fb6654c8 https://git.kernel.org/stable/c/5eea127675450583680c8170358bcba43227bd69 https://git.kernel.org/stable/c/728734352743a78b4c5a7285b282127696a4a813 https://git.kernel.org/stable/c/76ddf84a52f0d8ec3f5db6ccce08faf202a17d28 https://git.kernel.org/stable/c/2abe350db1aa599eeebc6892237d0bce0 •
CVSS: -EPSS: 0%CPEs: 7EXPL: 0CVE-2024-42281 – bpf: Fix a segment issue when downgrading gso_size
https://notcve.org/view.php?id=CVE-2024-42281
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a segment issue when downgrading gso_size Linearize the skb when downgrading gso_size because it may trigger a BUG_ON() later when the skb is segmented as described in [1,2]. • https://git.kernel.org/stable/c/2be7e212d5419a400d051c84ca9fdd083e5aacac https://git.kernel.org/stable/c/a689f5eb13a90f892a088865478b3cd39f53d5dc https://git.kernel.org/stable/c/dda518dea60d556a2d171c0122ca7d9fdb7d473a https://git.kernel.org/stable/c/f6bb8c90cab97a3e03f8d30e3069efe6a742e0be https://git.kernel.org/stable/c/11ec79f5c7f74261874744039bc1551023edd6b2 https://git.kernel.org/stable/c/c3496314c53e7e82ddb544c825defc3e8c0e45cf https://git.kernel.org/stable/c/ec4eea14d75f7b0491194dd413f540dd19b8c733 https://git.kernel.org/stable/c/fa5ef655615a01533035c6139248c5b33 •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-42280 – mISDN: Fix a use after free in hfcmulti_tx()
https://notcve.org/view.php?id=CVE-2024-42280
In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix a use after free in hfcmulti_tx() Don't dereference *sp after calling dev_kfree_skb(*sp). • https://git.kernel.org/stable/c/af69fb3a8ffa37e986db00ed93099dc44babeef4 https://git.kernel.org/stable/c/70db2c84631f50e02e6b32b543700699dd395803 https://git.kernel.org/stable/c/d3e4d4a98c5629ccdcb762a0ff6c82ba9738a0c3 https://git.kernel.org/stable/c/9460ac3dd1ae033bc2b021a458fb535a0c36ddb2 https://git.kernel.org/stable/c/8f4030277dfb9dbe04fd78566b19931097c9d629 https://git.kernel.org/stable/c/4d8b642985ae24f4b3656438eb8489834a17bb80 https://git.kernel.org/stable/c/ddc79556641ee070d36be0de4a1f0a16a71f1fc7 https://git.kernel.org/stable/c/7e4a539bca7d8d20f2c5d93c18cce8ef7 •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-42271 – net/iucv: fix use after free in iucv_sock_close()
https://notcve.org/view.php?id=CVE-2024-42271
In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use after free in iucv_sock_close() iucv_sever_path() is called from process context and from bh context. iucv->path is used as indicator whether somebody else is taking care of severing the path (or it is already removed / never existed). This needs to be done with atomic compare and swap, otherwise there is a small window where iucv_sock_close() will try to work with a path that has already been severed and freed by iucv_callback_connrej() called by iucv_tasklet_fn(). Example: [452744.123844] Call Trace: [452744.123845] ([<0000001e87f03880>] 0x1e87f03880) [452744.123966] [<00000000d593001e>] iucv_path_sever+0x96/0x138 [452744.124330] [<000003ff801ddbca>] iucv_sever_path+0xc2/0xd0 [af_iucv] [452744.124336] [<000003ff801e01b6>] iucv_sock_close+0xa6/0x310 [af_iucv] [452744.124341] [<000003ff801e08cc>] iucv_sock_release+0x3c/0xd0 [af_iucv] [452744.124345] [<00000000d574794e>] __sock_release+0x5e/0xe8 [452744.124815] [<00000000d5747a0c>] sock_close+0x34/0x48 [452744.124820] [<00000000d5421642>] __fput+0xba/0x268 [452744.124826] [<00000000d51b382c>] task_work_run+0xbc/0xf0 [452744.124832] [<00000000d5145710>] do_notify_resume+0x88/0x90 [452744.124841] [<00000000d5978096>] system_call+0xe2/0x2c8 [452744.125319] Last Breaking-Event-Address: [452744.125321] [<00000000d5930018>] iucv_path_sever+0x90/0x138 [452744.125324] [452744.125325] Kernel panic - not syncing: Fatal exception in interrupt Note that bh_lock_sock() is not serializing the tasklet context against process context, because the check for sock_owned_by_user() and corresponding handling is missing. Ideas for a future clean-up patch: A) Correct usage of bh_lock_sock() in tasklet context, as described in Re-enqueue, if needed. This may require adding return values to the tasklet functions and thus changes to all users of iucv. B) Change iucv tasklet into worker and use only lock_sock() in af_iucv. • https://git.kernel.org/stable/c/7d316b9453523498246e9e19a659c423d4c5081e https://git.kernel.org/stable/c/84f40b46787ecb67c7ad08a5bb1376141fa10c01 https://git.kernel.org/stable/c/37652fbef9809411cea55ea5fa1a170e299efcd0 https://git.kernel.org/stable/c/c65f72eec60a34ace031426e04e9aff8e5f04895 https://git.kernel.org/stable/c/ac758e1f663fe9bc64f6b47212a2aa18697524f5 https://git.kernel.org/stable/c/8b424c9e44111c5a76f41c6b741f8d4c4179d876 https://git.kernel.org/stable/c/01437282fd3904810603f3dc98d2cac6b8b6fc84 https://git.kernel.org/stable/c/69620522c48ce8215e5eb55ffbab8cafe •