CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-53084 – drm/imagination: Break an object reference loop
https://notcve.org/view.php?id=CVE-2024-53084
In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Break an object reference loop When remaining resources are being cleaned up on driver close, outstanding VM mappings may result in resources being leaked, due to an object reference loop, as shown below, with each object (or set of objects) referencing the object below it: PVR GEM Object GPU scheduler "finished" fence GPU scheduler “scheduled” fence PVR driver “done” fence PVR Context PVR VM Context PVR VM Mappings PVR GEM Object The reference that the PVR VM Context has on the VM mappings is a soft one, in the sense that the freeing of outstanding VM mappings is done as part of VM context destruction; no reference counts are involved, as is the case for all the other references in the loop. To break the reference loop during cleanup, free the outstanding VM mappings before destroying the PVR Context associated with the VM context. • https://git.kernel.org/stable/c/cb86db12b290ed07d05df00d99fa150bb123e80e https://git.kernel.org/stable/c/b04ce1e718bd55302b52d05d6873e233cb3ec7a1 •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-53066 – nfs: Fix KMSAN warning in decode_getfattr_attrs()
https://notcve.org/view.php?id=CVE-2024-53066
In the Linux kernel, the following vulnerability has been resolved: nfs: Fix KMSAN warning in decode_getfattr_attrs() Fix the following KMSAN warning: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009) ===================================================== ===================================================== BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_generic+0x806/0xb00 nfs4_xdr_dec_getattr+0x1de/0x240 rpcauth_unwrap_resp_decode+0xab/0x100 rpcauth_unwrap_resp+0x95/0xc0 call_decode+0x4ff/0xb50 __rpc_execute+0x57b/0x19d0 rpc_execute+0x368/0x5e0 rpc_run_task+0xcfe/0xee0 nfs4_proc_getattr+0x5b5/0x990 __nfs_revalidate_inode+0x477/0xd00 nfs_access_get_cached+0x1021/0x1cc0 nfs_do_access+0x9f/0xae0 nfs_permission+0x1e4/0x8c0 inode_permission+0x356/0x6c0 link_path_walk+0x958/0x1330 path_lookupat+0xce/0x6b0 filename_lookup+0x23e/0x770 vfs_statx+0xe7/0x970 vfs_fstatat+0x1f2/0x2c0 __se_sys_newfstatat+0x67/0x880 __x64_sys_newfstatat+0xbd/0x120 x64_sys_call+0x1826/0x3cf0 do_syscall_64+0xd0/0x1b0 entry_SYSCALL_64_after_hwframe+0x77/0x7f The KMSAN warning is triggered in decode_getfattr_attrs(), when calling decode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is not initialized. Fix the issue by initializing fattr->mdsthreshold to NULL in nfs_fattr_init(). • https://git.kernel.org/stable/c/88034c3d88c2c48b215f2cc5eb22e564aa817f9c https://git.kernel.org/stable/c/25ffd294fef81a7f3cd9528adf21560c04d98747 https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549 https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab3 •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-53063 – media: dvbdev: prevent the risk of out of memory access
https://notcve.org/view.php?id=CVE-2024-53063
In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: prevent the risk of out of memory access The dvbdev contains a static variable used to store dvb minors. The behavior of it depends if CONFIG_DVB_DYNAMIC_MINORS is set or not. When not set, dvb_register_device() won't check for boundaries, as it will rely that a previous call to dvb_register_adapter() would already be enforcing it. On a similar way, dvb_device_open() uses the assumption that the register functions already did the needed checks. This can be fragile if some device ends using different calls. This also generate warnings on static check analysers like Coverity. So, add explicit guards to prevent potential risk of OOM issues. • https://git.kernel.org/stable/c/5dd3f3071070f5a306bdf8d474c80062f5691cba https://git.kernel.org/stable/c/fedfde9deb83ac8d2f3d5f36f111023df34b1684 https://git.kernel.org/stable/c/3b88675e18b6517043a6f734eaa8ea6eb3bfa140 https://git.kernel.org/stable/c/a4a17210c03ade1c8d9a9f193a105654b7a05c11 https://git.kernel.org/stable/c/5f76f7df14861e3a560898fa41979ec92424b58f https://git.kernel.org/stable/c/b751a96025275c17f04083cbfe856822f1658946 https://git.kernel.org/stable/c/1e461672616b726f29261ee81bb991528818537c https://git.kernel.org/stable/c/9c17085fabbde2041c893d29599800f2d •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-53060 – drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported
https://notcve.org/view.php?id=CVE-2024-53060
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported acpi_evaluate_object() may return AE_NOT_FOUND (failure), which would result in dereferencing buffer.pointer (obj) while being NULL. Although this case may be unrealistic for the current code, it is still better to protect against possible bugs. Bail out also when status is AE_NOT_FOUND. This fixes 1 FORWARD_NULL issue reported by Coverity Report: CID 1600951: Null pointer dereferences (FORWARD_NULL) (cherry picked from commit 91c9e221fe2553edf2db71627d8453f083de87a1) • https://git.kernel.org/stable/c/ce8a00a00e36f61f5a1e47734332420b68784c43 https://git.kernel.org/stable/c/8d7a28eca7553d35d4ce192fa1f390f2357df41b https://git.kernel.org/stable/c/2ac7f253deada4d449559b65a1c1cd0a6f6f19b7 https://git.kernel.org/stable/c/27fc29b5376998c126c85cf9b15d9dfc2afc9cbe https://git.kernel.org/stable/c/1a9f55ed5b512f510ccd21ad527d532e60550e80 https://git.kernel.org/stable/c/a613a392417532ca5aaf3deac6e3277aa7aaef2b https://git.kernel.org/stable/c/b9d9881237afeb52eddd70077b7174bf17e2fa30 https://git.kernel.org/stable/c/a6dd15981c03f2cdc9a351a278f09b547 •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-53057 – net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT
https://notcve.org/view.php?id=CVE-2024-53057
In the Linux kernel, the following vulnerability has been resolved: net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT In qdisc_tree_reduce_backlog, Qdiscs with major handle ffff: are assumed to be either root or ingress. This assumption is bogus since it's valid to create egress qdiscs with major handle ffff: Budimir Markovic found that for qdiscs like DRR that maintain an active class list, it will cause a UAF with a dangling class pointer. In 066a3b5b2346, the concern was to avoid iterating over the ingress qdisc since its parent is itself. The proper fix is to stop when parent TC_H_ROOT is reached because the only way to retrieve ingress is when a hierarchy which does not contain a ffff: major handle call into qdisc_lookup with TC_H_MAJ(TC_H_ROOT). In the scenario where major ffff: is an egress qdisc in any of the tree levels, the updates will also propagate to TC_H_ROOT, which then the iteration must stop. net/sched/sch_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) • https://git.kernel.org/stable/c/066a3b5b2346febf9a655b444567b7138e3bb939 https://git.kernel.org/stable/c/e7f9a6f97eb067599a74f3bcb6761976b0ed303e https://git.kernel.org/stable/c/dbe778b08b5101df9e89bc06e0a3a7ecd2f4ef20 https://git.kernel.org/stable/c/ce691c814bc7a3c30c220ffb5b7422715458fd9b https://git.kernel.org/stable/c/05df1b1dff8f197f1c275b57ccb2ca33021df552 https://git.kernel.org/stable/c/580b3189c1972aff0f993837567d36392e9d981b https://git.kernel.org/stable/c/597cf9748c3477bf61bc35f0634129f56764ad24 https://git.kernel.org/stable/c/9995909615c3431a5304c1210face5f26 •